For every 2 nickels there are 3 dimes. for every 2 dimes there are 5 quarters. there are 500 coins in total. how many nickels, dimes, and quarters are in the piggy bank? explain your reasoning.

Step-by-step explanation:

The ratio of nickels to dimes is 2 : 3 = 4 : 6.

The ratio of dimes to quarters is 2 : 5 = 6 : 15.

Then the ratios of nickels : dimes : quarters are ...

  4 : 6 : 15

There are a total of 4+6+15 = 25 ratio units representing 500 coins, so each one represents 500/25 = 20 coins. Then the numbers of coins are ...

  nickels : dimes : quarters = 4·20 : 6·20 : 15·20 = 80 : 120 : 300

There are 80 nickels, 120 dimes, and 300 quarters in the piggy bank.

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c is the answer

step-by-step explanation: