book Maths Puzzle Numerical Ability

Any help would be appreciated.

There are 1200 students at a University taking Precalculus. Find the number of freshmen in this course if there are three-fifths as many freshmen

Read Solution (Total 0)

book Other Question

lynn can mow the lawn in 3 hours using a riding lawn mower. Her brother can mow the same lawn in 7 hours using a push mower. How long would it take them to mow the lawn working together? How to prove the identity (a-b)whole cube geometrically?