the sixth grade is charging $9 per car to wash cars. the 5th grade Is charging a $8.50 per car supposed each grade washes 50 cars. how much more money will the sixth grade earn
6th graders make $9 per car. $9 times 50 cars5th graders make $8.50 per car. $8.50 times cars 6th graders earn $450 after washing 50 cars.5th graders earn $425 after washing 50 cars $450-$425=$25 The 6th graders make $25 more than the 5th graders.