Asked by Kate
Chan drove for X miles at 45 miles an hour, Y miles at 60 miles an hour, and Z miles at 55 miles an hour. Which expression can be used to find the total numbers of hours that Chan drove?
A. (45+60+55)(XYZ)
B. 45X + 60Y + 55Z
C. (45+60+55)/XYZ
D. X/45 + Y/60 + Z/55
A. (45+60+55)(XYZ)
B. 45X + 60Y + 55Z
C. (45+60+55)/XYZ
D. X/45 + Y/60 + Z/55
Answers
Answered by
Ms. Sue
Which answer do you think is right?
Hint: only two operations are involved here -- addition and multiplication.
Hint: only two operations are involved here -- addition and multiplication.
Answered by
Kate
isn't it B?
Answered by
Ms. Sue
You're right. :-)
Answered by
Kate
thanks :)
Answered by
Ms. Sue
You're welcome.
Answered by
maheen
how to make angles of 96 180 147
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