Ask a New Question

Question

If three teachers can grade 40 tests in 3 hours, how many hours will it take 12 teachers to grade 480 tests?
8 years ago

Answers

MathMate
Each test is graded in
R=(3 teachers * 3 hours)/ 40 tesets
=9/40 teacher-hour/test

480 tests will require
Time=480 tests *R
=480* (9/40) tests*teacher-hours/test
=108 teacher-hours.

12 teachers will take
Time = 108 teacher-hours / 12 teachers
=108/12 hours
=9 hours.
8 years ago

Related Questions

1. Primary-grade teachers should encourage students to __________ a.downplay the importance of gra... All of the 5th grade teachers and students from Almond went on a field trip to an archaeology museum... The fifth grade teachers at Stowe Elementary School conducted a survey to find out the number of hou... The 9th grade teachers collected data about students involved in extracurricular activities and thei... In grade 11 SBC teachers guide strand 2 writing unit 2 topic 6 is standard English conventions (sen... In grade 11 SBC teachers guide strand 2 writing unit 2 topic 6 is standard English conventions (sen... In grade 11 SBC teachers guide strand 2 writing unit 2 topic 6 is standard English conventions (sen... In grade 11 SBC teachers guide strand 2 writing unit 2 topic 6 is standard English conventions (sen... In grade 11 SBC teachers guide strand 2 writing unit 2 topic 6 is standard English conventions (sen... In grade 11 SBC teachers guide strand 2 writing unit 2 topic 6 is standard English conventions (sen...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use