Homework Help: math word

Posted by Anonymous on Monday, December 10, 2012 at 5:52pm.

susie went to the store. she spent half her money on groceries. she spent $13 on paper supplies. she still had 1/4 of the amount she began with. how much did she start with?

math word - Ms. Sue, Monday, December 10, 2012 at 6:31pm
Let x = the money she started with

(3/4)x + 13 = x

13 = x - (3/4)x

13 = (1/4)x

13 / (1/4) = x

13 * (4/1) = x

52 = x

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