Question 1057808: You spend $27 on 7 bags of candy to throw at a parade. The bags cost either $5 or $3. How many bags of each amount did you purchase? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! with remaining
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No combinations of 3 and 5 give me
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I bought 3 of the $5 bags
and 4 of the $3 bags
and this is 7 bags
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Also, you can say:
Let = number of $5 bags
Let = number of $3 bags
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(1)
(2)
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Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
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and
(1)
(1)
(1)
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Again, this says
3 of the $5 bags and
4 of the $3 bags
totaling 7 bags
