You have $60 and your sister has $120. You are saving seven dollars per week and your sister is saving five dollars per week. Ho
w many weeks will it take for you and your sister to have the same amount of money?
2 answers:
It will take 30 weeks for her to have the same amount
Let w = number of weeks
Amt you have = 60 + 7w
Amt she has = 120 + 5w
60+7w = 120 + 5w
2w = 60
w = 30 weeks
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