Problema Solution
Amy deposited dimes and quarters in a CoinStar machine. The total was $11.35. If Amy had 26 dimes, write and solve a linear equation to find the number of quarters she had.
Answer provided by our tutors
1 quarter = 25 cents
1 dime = 10 cents
$11.35 = 1135 cents
Let
q = the number of quarters, q>=0, q is integer
25q + 10*26 = 1135
........
click here to see the equation solved for q
........
q = 35 quarters
Amy had 35 quarters.