Question

Mrs. Loar has to grade 75 papers. Mrs. Holt is helping her grade. Mrs. Loar graded 60 papers and Mrs. Holt graded the rest. What percent of the papers did Mrs. Holt grade? Use a double number line to solve the problem.

Answer 1

25%

Explanation:

Mrs. Loar has to grade 75 papers. Mrs. Holt is helping her grade. Mrs. Loar graded 60 papers and Mrs. Holt graded the rest.

Hence, the amount of papers Mrs Holy graded is = 75 - 60

= 15 papers

What percent of the papers did Mrs. Holt grade?

This is calculated as:

15/60 × 100 = 25%

Hence, Mrs Holy graded 25% of the papers