Problema Solution
In a vegetable store, a customer paid $8.80 for 3 pounds of tomatoes and 5 pounds of potatoes. A second customer paid $15.15 for 7 pounds of tomatoes and 6 pounds of potatoes. What is the positive difference in the price per pound of tomatoes and potatoes?
Answer provided by our tutors
Let
t = the cost per pound of tomatoes
p = the cost per pound of potatoes
3t + 5p = 8.80
7t + 6p = 15.15
........
click here to see the equation solved for t and p
........
t = $1.35
p = $0.95
$1.35 - $80 = $0.55
The positive difference in the price per pound of tomatoes and potatoes is$0.55.