6 can only go into 6 once
29.75/8.5=x/4.5
using the "butterfly method"
8.5x=133.875
/8.5 /8.5
x=15.75
You have to make a proportion
We are required to find the total hours David and Xavier works in a week
The total hours David and Xavier works in a week is 70 hours
let
number of hours Xavier works = 32 hours
number of hours David works = (6 + 32) hours
= 38 hours
<em>Total number of hours David and Xavier works in a week = number of hours Xavier works + number of hours David works</em>
= 32 hours + 38 hours
= 70 hours
Therefore, the total hours David and Xavier works in a week is 70 hours
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