A store is having a sale on chocolate chips and walnuts. For

6

pounds of chocolate chips and

2

pounds of walnuts, the total cost is

$14

. For

3

pounds of chocolate chips and

5

pounds of walnuts, the total cost is

$20

. Find the cost for each pound of chocolate chips and each pound of walnuts.

Question

Mathematics

Mara Dalton

11 May, 12:31

A store is having a sale on chocolate chips and walnuts. For

6

pounds of chocolate chips and

2

pounds of walnuts, the total cost is

$14

. For

3

pounds of chocolate chips and

5

pounds of walnuts, the total cost is

$20

. Find the cost for each pound of chocolate chips and each pound of walnuts.

+1

Answers (1)

Know the Answer?

Edwin Madden · Answer 1

A) 6 cc + 2 w = 14

B) 3 cc + 5 w = 20

Multiplying B) by - 2

B) - 6cc - 10 w = - 40 then adding to A)

A) 6 cc + 2 w = 14

-8w = - 26

w = 3.25

B) 3 cc + 5*3.25 = 20

B) 3 cc + 16.25 = 20

B) 3cc = 3.75

cc = 1.25

A store is having a sale on chocolate chips and walnuts. For6pounds of chocolate chips and2pounds of walnuts, the total cost is$14. For3pounds of chocolate chips and5pounds of walnuts, the total cost is$20. Find the cost for each pound of chocolate chips and each pound of walnuts.