Mathematics, 16.01.2020 08:31, death2833

Paisley has x number of dimes and y number of nickels for a total of 18 coins. knowing that a dime is worth ten cents and a nickel is worth five cents, she wrote the system of equations below because she had a total of $1.40. is her system correct? if not, then why?

x + y = 18

0.1x + 0.05y = 1.40

Answers: 3

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Paisley has x number of dimes and y number of nickels for a total of 18 coins. knowing that a dime i...