Problema Solution
a store is having a scale on walnuts and chocolate chips. for 2 pounds of walnuts and 5 pounds of chocolate chips, the total cost is $10. for 8 pounds of walnuts and 3 pounds of chocolate chips, the total cost is $23. find the cost for each pound of walnuts and each pound of chocolate chips.
Answer provided by our tutors
Let
x = the cost of walnuts per pound
y = the cost of chocolate chips per pound
2 pounds of walnuts and 5 pounds of chocolate chips, the total cost is $10:
2x + 5y = 10
8 pounds of walnuts and 3 pounds of chocolate chips, the total cost is $23:
8x + 3y = 23
We have the following system of equations:
2x + 5y = 10
8x + 3y = 23
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Click here to see the step by step solution of the system of equations
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x = $2.5
y = $1
The cost of walnuts is $2.5 per pound.
The cost of chocolate chips is $1 per pound.