I have twice as many nickels as quarters. If the coins are worth \$4.90$4.90, how many nickels do I have??
Raymond B.
answered 06/28/21
Math, microeconomics or criminal justice
N=2Q
5N + 25Q = 490
5(2Q) + 25Q = 490
35Q = 490
Q = 490/35 = 14 quarters
N = 28 nickels
5(28) = 140
14(25) = 350
140+350=490
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