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A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining $2.25 he saved. How much money did he have originally?

Respuesta :

oasiscse
Let his original money is x

So, [tex] \frac{x}{2} [/tex] + [tex] \frac{x}{3} [/tex] + 2.25 = x
or, [tex] \frac{3x+2x+(6*2.25)}{6} = x [/tex]
or, 5x + 13.5 = 6x
or, x = 13.5

So, he had $13.5 originaly. 

Thanks!
suspho
1 - (1/2 + 1/3) =
1 - 5/6 =
1/6 = 2.25
2.25 * 6=

13.50

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