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A grocer bought some walnuts for 45¢ per pound and some pecans for 60¢ per pound. He wants to mix the pecans and walnuts together to form a 90 pound mixture to sell at 55 cents per pound. If x represents the pounds of walnuts used in the mixture, which expression would represent the total cost of the pecans used in the mixture? 0.55x 0.60x 0.60(90 - x)

User Batazor
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2 Answers

6 votes

Answer:40.50 dollars

Explanation:

mutiply 0.45 by 90

User Joshuaegclark
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3 votes

Answer:

Explanation:

Let x represent the pounds of walnuts used in the mixture. He wants to mix the pecans and walnuts together to form a 90 pound mixture. This means that the pounds of Pecans in the mixture is (90 - x)

The grocer bought some walnuts for 45¢ per pound and some pecans for 60¢ per pound. If the mixture would sell at 55 cents per pound, The expression representing the total cost of the pecans used in the mixture is

45x + 60(90 - x) = 55(90)

45x + 60(90 - x) = 4950

User Nijo
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