The domain is all of the x values
Since y varies with x, the same we do to y, applies to x.
x = 4 y=7
x= 4*3 = 12
x= 7*3 = 21
Therefore, x = 21
Final answer: x=21 and y= 12
Answer:
They spent $63 and 12 hours each
Step-by-step explanation:
Given
<em>Represent hour with h</em>
For Brian;

For Latrell

Required
Find h and amount
Since, they spent the same amount

Collect Like Terms


Substitute 12 for h in 


