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October 21, 2014

October 21, 2014

Posted by **cool kid** on Tuesday, September 7, 2010 at 9:24pm.

- math -
**MathMate**, Tuesday, September 7, 2010 at 10:18pmLet N=the number of nickels (5 cents).

Dimes (10 cents), D = 3N+1

Pennies (1 cent), P = N+10

Then

5N + 10(3N+1) + 1(N+10) = 452

36N + 20 = 452

Solve for N (=12) and the rest of the coins.

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