Question

A teacher has 25 students in a class. Each student has to pay $12.50 for a workbook to use in class. During the

first week of school, 7 students paid for their workbook. The remaining students paid for their workbook during the
second week of school. How much money did the teacher collect during the second week of school, what is the number problem

Answer 1

25-7=18
so 18 students paid in the second week
then you do
18x12.50=225
so the teacher collected $225 in the second week