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OpenStudy (anonymous):
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
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OpenStudy (anonymous):
Yes, her system is correct.
OpenStudy (anonymous):
why
OpenStudy (anonymous):
oh nevermind
OpenStudy (anonymous):
:o) glad I could help
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