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Popular Word Problems >

the cost of a pool has increased by 9% if it is 4200 now, how much would the identical pool cost a year ago

Solution

t h e cos t o f a p oo l ha s in cre a se d b y 9% i f i t i s 4200 n o w, h o w m u c h w o u l d t h e i d e n t i c a l p oo l cos t a ye a r a g o

Solution

Amount after addition : 4578

Solution steps

Translate the problem into an equation:

x = 4200 + 0.09 \cdot 4200

x = 4200 + 0.09 \cdot 4200 : x = 4578

Amount after addition : 4578

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