a purse containing coins coins worth $ 1.60. Exchange contains Nickles and neighborhoods. Three years ago?

a purse of coins contains parts worth $ 1.60. the purse contains Nickles and neighborhoods. There are three times more likely than Nickles quarters. find the number of Nickles in the award? *** Explain. thank you in advance

I will work in cents, not dollars. Nickels n and q quarters. 5n + 25Q = 160 (based on values currencies) and n = 3q (three times as many quarters Nickels) substitution in the first equation 5 * 3q + 25Q = 160 40Q = 160 q = 4 and therefore n = 3q = 12 Check: 4 quarters = 1.00 Nickels $ 12 = $ 0.60 Total $ 1.60, check!

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