Question

A store is having a sale on walnuts and chocolate chips. For 5 pounds of walnuts and 3 pounds of chocolate chips, the total cost is $13. For 2 pounds of walnuts and 6 pounds of chocolate chips, the total cost is 16. Find the cost for each pound of walnuts and each pound of chocolate chips.

Answer 1

c= 1 w =1.25

Explanation:

10w +6c = 26- 2w +6c= 16 Subtration = 8w = 10 = 10/8 = 1.25 = w =1.25 12(1.25)+ 6c = 16 = 2.5 + 6c = 8.5 Subtration = 6c = 8.5 -2.5 = 6c = 6 = c= 6/6 = 1 c= 1