Sunday
December 21, 2014

Homework Help: 6th grade math

Posted by Kate on Sunday, September 25, 2011 at 1:37pm.

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

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

maths - A motorist travels 120 miles to his destionation at an average speed of ...
Math HELP! - Find the unit rate. Rounf to the nearest tenth, if necassary. 344 ...
Math- Multi-step word problems - A canoe in still water travels at a rate of 10 ...
Physics - A bus started out going 20 miles per hour on the highway. One hour ...
Math- Multi-step word problems - A plane traveling from Phoenix to Washington, D...
math - substitute to find the value of the expression. A train must cover a ...
Physics - A bus started out going 20 miles per hour on the highway. One hour ...
Physics - A bus started out going 20 miles per hour on the highway. One hour ...
Physics - A bus started out going 20 miles per hour on the highway. One hour ...
math - On a 9-hour trip home from winter break, Mary was forced to drive on a ...

Search
Members