I have a total amount of P240 in my purse. I counted how many coins I have and found out that I have 30 coins all in all, mix of 5-peso and 10-peso coins. How many coins of each type do I have?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.7: Mixture Problems
Problem 22P
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Coin Problem

I have a total amount of P240 in my purse. I counted how many coins I have and found out that I have 30 coins all in all, mix of 5-peso and 10-peso coins. How many coins of each type do I have?

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