Asked by sarah
after spending 80% of her money Lei has P100.00 left. How much was her money before
Answers
Answered by
MathMate
What's left is is 100-80=20%
So the original amount A can be found by proportions:
P100/20%=X/100%
solve for X:
P100*100%/20%=P500
So the original amount A can be found by proportions:
P100/20%=X/100%
solve for X:
P100*100%/20%=P500
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