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Popular Word Problems >

This week, JIMMY ended up needing 8 gallons of gas. That is 20% less than he needed last week. How much gas did Abdul need last week?

Solution

T hi s w ee k, J I MM Y e n d e d u p n ee d in g 8 g a ll o n s o f g a s . T ha t i s 20% l ess t han h e n ee d e d l a s t w ee k . Ho w m u c h g a s d i d A b d u l n ee d l a s t w ee k ?

Solution

Amount before reduction : 10

Solution steps

Translate the problem into an equation:

8 = x - 0.2 x

8 = x - 0.2 x : x = 10

Amount before reduction : 10

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