Asked by Cami
1. Write the fraction 8/9 as a percent. Round to the nearest hundredth of a percent where necessary.
88.89%
1.13%
44.44%
66.67%
2.Write the decimal 0.041 as a percent
41%
4.1%
410%
0.41%
3.A survey at your school found that 792 in 1,220 students have a cell phone. what percent of the students in have a cell phone? round to the nearest hundredth where necessary
6.49%
54.04%
64.92%***
79.20%
4.Write the percent 23.44% as a decimal
2344
234.4
2.344
0.2344***
5.Chris and five of his friends go out to dinner. The total bill comes to $124.29. They decide to leave a 20% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute.
a$29.00
b$21.00
c$5.00
$4.15***
6.Use a proportion to solve the problem
31% of 70
x/100 = 31/70; 43.66
x/71 = 31/100; 22.01
x/31 = 71/100; 0.22
71/x = 31/100; 229.03
^^ I don't understand this one :// especially since 31% of 70 is 21.7
7.39 is what percent of 156?
x/100 = 39/156; 25%
x/100 = 29/156; 0.25%***
x/100 = 156/39; 400%
x/156 = 39/100; 60.84%
8. While eating in the cafeteria at school, 65%, or 26, of the students in the class ate pizza. find the number of students in the entire class.
x/26 = 65/100; 250 students
x/26 = 65/100; 26 students
26/x = 65/100; 40 students***
x/26 = 65/100; 17 students
88.89%
1.13%
44.44%
66.67%
2.Write the decimal 0.041 as a percent
41%
4.1%
410%
0.41%
3.A survey at your school found that 792 in 1,220 students have a cell phone. what percent of the students in have a cell phone? round to the nearest hundredth where necessary
6.49%
54.04%
64.92%***
79.20%
4.Write the percent 23.44% as a decimal
2344
234.4
2.344
0.2344***
5.Chris and five of his friends go out to dinner. The total bill comes to $124.29. They decide to leave a 20% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute.
a$29.00
b$21.00
c$5.00
$4.15***
6.Use a proportion to solve the problem
31% of 70
x/100 = 31/70; 43.66
x/71 = 31/100; 22.01
x/31 = 71/100; 0.22
71/x = 31/100; 229.03
^^ I don't understand this one :// especially since 31% of 70 is 21.7
7.39 is what percent of 156?
x/100 = 39/156; 25%
x/100 = 29/156; 0.25%***
x/100 = 156/39; 400%
x/156 = 39/100; 60.84%
8. While eating in the cafeteria at school, 65%, or 26, of the students in the class ate pizza. find the number of students in the entire class.
x/26 = 65/100; 250 students
x/26 = 65/100; 26 students
26/x = 65/100; 40 students***
x/26 = 65/100; 17 students
Answers
Answered by
Cami
oh and my answers for 1 and 2 are
88.89% and 4.1%
88.89% and 4.1%
Answered by
Ms. Sue
6. Are there typos in this problem? Where did 71 come from?
7. No
Your other answers are correct.
7. No
Your other answers are correct.
Answered by
Cami
No Mrs. Sue, there are no typos in 6 and
is 7 60.84%? that was my first answer.
is 7 60.84%? that was my first answer.
Answered by
Ms. Sue
I don't see any right answers for 6.
7. is now right.
However, your problem is confusing. I couldn't tell whether it was
7.39
or
.39
or
39
7. is now right.
However, your problem is confusing. I couldn't tell whether it was
7.39
or
.39
or
39
Answered by
Cami
hehe sorry Ms. Sue, it's
39 is what percent of 156?
39 is what percent of 156?
Answered by
dent
#3 is C, 64.92%