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Ben saved 3/4 as much each month as he saved the month before and he saved $45 in march how much did he save in the January before?

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1 Answer

Let x be the amount saved in the January.
x(3/4)^2 = 45
x = $80 <==Answer
Attn: Each month Ben saved less than the previous month he did. In Februray, he saved 80(3/4) = $60, and in March he saved 60(3/4) = $45.