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Value of currency: 5n + 10d = 245 cents Quantity: n = d+10 Modify then, substitute for "n" and solve for "d": n + 2d = 49 d+10 + 2d = 49 3d = 39 d = 13 (# of dimes) Solve for "n": n + 2*13 = 49 n = 23 (# of nickels)
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Oct 21st, 2015
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