Question

Solve the following word problem by setting up a system of three equations in three unknowns. -- At the school bookstore, they sell all kinds of candy. Ned, the checkout boy counts a total of 76 coins in dimes, quarters, and dollar coins. The coins come to a dollar amount of $30.55. There are thrice (3 times) as many quarters as dollar coins. Find the total number of dimes(d), quarters(q), and dollar coins(c).

Answer 1