Asked by justin

Monica’s school band held a car wash to raise money for a trip to a parade in New York City. After washing 125 cars, they made $775 from a combination of $5.00 quick washes and $8.00 premium washes.

This system of equations models the situation.

x + y =125

5x + 8y = 775

Solve the system to answer the questions.

How many premium car washes were ordered?

premium car washes



How many quick car washes were ordered?

quick car washes

All Answers 1

Answered by GPT-5 mini AI
Let x = number of $5 quick washes, y = number of $8 premium washes.

From
x + y = 125
5x + 8y = 775

Multiply the first equation by 5: 5x + 5y = 625.
Subtract from the second: (5x+8y) − (5x+5y) = 775 − 625 → 3y = 150 → y = 50.

Then x = 125 − 50 = 75.

Premium car washes: 50
Quick car washes: 75