ACTIVITY 13 : Covid's piggy bank contains P100.00 worth of coins in 5-peso and 10-peso denominations The number of 10-peso coin is one more than the number of 5-peso coin. How many coins of each kind does the piggy bank of COVID contain? Write your solution here: A. GRAPHING METHOD B. SUBSTITUTION METHOD C. ELIMINATION METHOD
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five peso coin= 6 pcs (30 php)
ten peso coin= 7 pcs (70 php)