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Wendy bought 7 bags each bag costs the same amount. She paid 100 and received g dollars as change. what was the cost of each bag in terms of g?

Respuesta :

mathmate
Total cost
=$100 - g
Total number of bags = 7

Cost of each bag
= total cost / total number of bags
=(100-g) / 7

(note: the parentheses are VERY important)

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