Asked by lidia
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?
I don't know the answer to this one so can you show me how you got your answer and what's your answer?
I don't know the answer to this one so can you show me how you got your answer and what's your answer?
Answers
Answered by
Reiny
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
They both had 141
check: after spending:
Rosa had 141-45 = 96
marty had 141-117 = 24
Does Rosa have 4 times as much as Marty ??? YES!!
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
They both had 141
check: after spending:
Rosa had 141-45 = 96
marty had 141-117 = 24
Does Rosa have 4 times as much as Marty ??? YES!!
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