AbbySutherland AbbySutherland

14-01-2019
Mathematics

contestada

Marcy bought a total of 20 years books and CDs during a yard sale for a total of $54.50 cents. If books cost $1.50 each and CDs cost five dollars each how many of each did she buy

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mathecoach mathecoach

14-01-2019

Answer:

x + y = 20

1.5x + 5y = 54.50

Solve the equations and get: x = 13 ∧ y = 7

Marcy bought 13 books and 7 CDs.

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