Mathematics, 05.10.2019 21:30 ignacio73

Aperson has 20 coins, all nickels and dimes, worth one dollar and 40 cents. how many nickels are there?

if n = number of nickels and d = number of dimes, which system of equations represents the problem?

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Aperson has 20 coins, all nickels and dimes, worth one dollar and 40 cents. how many nickels are there? if n = number of nickels and d = number of dimes, which system of equations represents the problem?

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Aperson has 20 coins, all nickels and dimes, worth one dollar and 40 cents. how many nickels are there?

if n = number of nickels and d = number of dimes, which system of equations represents the problem?