Problema Solution
A store is having a sale on chocolate chips and walnuts. For 8 pounds of chocolate chips and 4 pounds of walnuts, the total cost is $25. For 3 pounds of chocolate chips and 2 pounds of walnuts, the total cost is $10. Find the cost for each pound of chocolate chips and each pound of walnuts.
Answer provided by our tutors
Let
x = the cost for pound of chocolate chips
y = the cost for pound of walnuts
8x + 4y = 25
3x + 2y = 10
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x = $2.5 per pound of chocolate chips
y = $1.25 per pound of walnuts
A pound of chocolate chips costs $2.5.
A pound of walnuts costs $1.25.