The answer would be y=-4 and x=4, so pick which ever number/letter has this answer.
He gets <span>25 mpg </span>
<span>15 miles x 5 days = 75 miles </span>
<span>75 miles / 3 gallons = 25 mpg</span>
Answer:

Step-by-step explanation:
Given
3 ×
← can be expressed as
× 
Multiply numerators/ denominators, that is
= 
= 
Since you don't have b and c as a answer choice cause those are the answer
P= 2l+2w
P-2l= 2w
1/2P -l= w
Rearrange into standard form.
w= 1/2P -l