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3 years ago

Reuben has been saving $6 each week. Today he spent $90 of the savings, and he now has $48 left. For how many weeks has he been

Mathematics

1 answer:

tresset_1 [31]3 years ago

5 0

Answer:

23 weeks

Step-by-step (x = weeks)

90 + 48 = 138

divide 138 by 6 to find out how many weeks he'd been saving up .

that gives you 23 but to turn it into an equation

6x - 90 = 48

+ 90 +90

6x = 138

_ _

6 6

x = 23 again x meaning weeks

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