Question
Which situation is best represented by the following equation?
40w + 12.50 = 492.50
Responses
A Nicole paid $40 for self-defense classes. She paid a $12.50 registration fee and $492.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?Nicole paid $40 for self-defense classes. She paid a $12.50 registration fee and $492.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
B Nicole paid $12.50 for self-defense classes. She paid a $492.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?Nicole paid $12.50 for self-defense classes. She paid a $492.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
C Nicole paid $492.50 for self-defense classes. She paid a $40 registration fee and $12.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?Nicole paid $492.50 for self-defense classes. She paid a $40 registration fee and $12.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
D Nicole paid $492.50 for self-defense classes. She paid a $12.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
Nicole paid $492.50 for self-defense classes. She paid a $12.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
40w + 12.50 = 492.50
Responses
A Nicole paid $40 for self-defense classes. She paid a $12.50 registration fee and $492.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?Nicole paid $40 for self-defense classes. She paid a $12.50 registration fee and $492.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
B Nicole paid $12.50 for self-defense classes. She paid a $492.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?Nicole paid $12.50 for self-defense classes. She paid a $492.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
C Nicole paid $492.50 for self-defense classes. She paid a $40 registration fee and $12.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?Nicole paid $492.50 for self-defense classes. She paid a $40 registration fee and $12.50 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
D Nicole paid $492.50 for self-defense classes. She paid a $12.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
Nicole paid $492.50 for self-defense classes. She paid a $12.50 registration fee and $40 for each week she was enrolled in the classes. What is w, the number of weeks Nicole was enrolled in self-defense classes?
Answers
Answer
A taxi fare has a fixed charge of $1.75 and an additional charge $0.45 per mile. A fare for m miles is $13.90. Which equation could be used to find m miles?
Responses
A 1.75(13.90 + m) = 11.75(13.90 + m) = 1
B 1.75 + 0.45m = 13.901.75 + 0.45m = 13.90
C 0 45 + 1.75m = 13.900 45 + 1.75m = 13.90
D (0.45 + 11.20)m = 1.75
Responses
A 1.75(13.90 + m) = 11.75(13.90 + m) = 1
B 1.75 + 0.45m = 13.901.75 + 0.45m = 13.90
C 0 45 + 1.75m = 13.900 45 + 1.75m = 13.90
D (0.45 + 11.20)m = 1.75
Answer
Five times what number plus 10 equals 20?
Responses
A -6-6
B 22
C 44
D 6
Responses
A -6-6
B 22
C 44
D 6
Answer
Karla is given the equation 10x + 15 = 20 to solve. She says the solution is 1/2
.
Which reason justifies her solution?
Responses
A Karla says that to solve the equation you first add 15 and then multiply by 10.Karla says that to solve the equation you first add 15 and then multiply by 10.
B Karla says that to solve the equation you first multiply by 10 and then add 15.Karla says that to solve the equation you first multiply by 10 and then add 15.
C Karla says that to solve the equation you first subtract 15 and then divide by 10.Karla says that to solve the equation you first subtract 15 and then divide by 10.
D Karla says that to solve the equation you first divide by 10 and then subtract 15.
.
Which reason justifies her solution?
Responses
A Karla says that to solve the equation you first add 15 and then multiply by 10.Karla says that to solve the equation you first add 15 and then multiply by 10.
B Karla says that to solve the equation you first multiply by 10 and then add 15.Karla says that to solve the equation you first multiply by 10 and then add 15.
C Karla says that to solve the equation you first subtract 15 and then divide by 10.Karla says that to solve the equation you first subtract 15 and then divide by 10.
D Karla says that to solve the equation you first divide by 10 and then subtract 15.
Answer
Solve.
4+x/7=2
Responses
A -14-14
B 1010
C 1212
D 4242
E −2/7
4+x/7=2
Responses
A -14-14
B 1010
C 1212
D 4242
E −2/7
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