# aig math

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Rosa and Marty had the same amount of money.After Rosa spent \$45 and Marty spent \$117, Rosa had 4 times as much money as Marty. How much money did Rosa have at first?

• aig math -

original amount of Rosa and Marty --- x

after spending:
Rosa --- x-45
Marty --- x-117

now Rosa has 4 times as much as Marty
x-45 = 4(x-117)
x-45 = 4x - 468
-3x = -423
x =141

check: after spending:
Does Rosa have 4 times as much as Marty ??? YES!!

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