Mr. Wilk is a high school math teacher whose salaryis $33,660 for this school year, which has 180 days. In Mr. Wilk's school district, substitute teachers are paid $85 per day. If Mr. Walker takes a day off without payand a substitute teacher is paid to teach his classes. How much less does the school district pay in salary by paying a substitute teacher instead of Mr. Wilk for this particukar day?

Question

Mathematics

Carlson

4 June, 11:15

Mr. Wilk is a high school math teacher whose salaryis $33,660 for this school year, which has 180 days. In Mr. Wilk's school district, substitute teachers are paid $85 per day. If Mr. Walker takes a day off without payand a substitute teacher is paid to teach his classes. How much less does the school district pay in salary by paying a substitute teacher instead of Mr. Wilk for this particukar day?

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Answers (1)

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Karlie Burke · Answer 1

Mr. Wilk's salary for 180 days = $33,660

Mr. Wilk's salary for 1 day = $?

By unitary method:

Days Salary

180 $33,660

1?

By cross-multiplication:

1*33660/180

33660/180 = $187

Mr. Wilk's salary per day = $187

Substitute teacher's salary per day = $85

Difference in salary = 187-85

= $102

The school district pays $102 less to the substitute teacher.