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4 years ago

13

Currently, you have $80 answer your sister has $145. You decide to save $6 of your allowance each week, while your sister decide

s to spend her whole allowance plus $7 each week. How long will it be before you have as much money as your sister?

1 answer:

SVEN [57.7K]4 years ago

4 0

X is the number of weeks

your money = 80 + 6x, her money = 145 - 7x

her money = your money when 80 +6x = 145 - 7x
13x=65
x=5 weeks

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