SOLUTION: At the supermarket, each pound of soy beans costs 5 times as much as each pound of wheat. If the total cost of 4.7 pounds of soy beans and 2.4 pounds of wheat is $51.80, what is th
Question 1066169: At the supermarket, each pound of soy beans costs 5 times as much as each pound of wheat. If the total cost of 4.7 pounds of soy beans and 2.4 pounds of wheat is $51.80, what is the cost of each pound of soy beans and each pound of wheat?
You can put this solution on YOUR website! Let = cost/pound of soy beans
Let = cost/pound of wheat
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(1)
(2)
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Substitute (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
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$10 = cost/pound of soy beans
$2 = cost/pound of wheat
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check:
(2)
(2)
(2)
(2)
OK
