Answer: a) y = 4x + 13
y = amount we both spent
x = number of tomato plants we both bought
$13 is the amount I spent on fruits
b) No, we won't spend the same amount
Explanation:
Amount spent on tomato plants
= $4 × x tomato plants
However, I already spent $13 on fruit... It will be added to the amount spent on tomato plants
y = 4x + 13 (where y is the total amount spent by us both)
Obviously, I spent more than he did