Mathematics

Hope

13 June, 16:46

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

+4

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