SOLUTION: if the cost of pretzel is $2.40 per pound and the cost of potato chips is $3.40 per pound, how many pounds of pretzel and how many pounds of potato chips should be used to make a 2
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Question 263094: if the cost of pretzel is $2.40 per pound and the cost of potato chips is $3.40 per pound, how many pounds of pretzel and how many pounds of potato chips should be used to make a 2 pound blend that cost $3 per pound? Answer by drk(1908) (Show Source):
You can put this solution on YOUR website! This is a mixture problem. Here is a table based on the above information:
food . . . . . . . .$ . . . . . . . . . lb . . . . . . . . . . $lb
pretzel . . . . . .$2.40 . . . . . . . x . . . . . . . . . . $2.40x
chip . . . . . . . . $ 3.40 . . . . . .2-x . . . . . . . . . $6.80 - $3.40x
mixture . . . . . $3.00 . . . . . . .2 . . . . . . . . . . . .$6.00
we set third column equal to get
(i)
combine like terms on the left to get
(ii)
subtract 6.8 to get
(iii)
divide by -1 to get
(iv)
we need .8 lb pretzel and 1.2 lb chips.
(