SOLUTION: angelo and imee had a total of P480. after angelo spent P20, he had 3 times as much as imee. How much did angelo have?

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Question 1166613: angelo and imee had a total of P480. after angelo spent P20, he had 3 times as much as imee. How much did angelo have?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
system%28n%2Bm=480%2Cn-20=3m%29
Any method you want. Try elimination as system%28n%2Bm=480%2Cn-3m=20%29 and subtract one from the other.