Question

On Monday, it took Helen 3 hours to do a page of science homework exercises. The next day she did the same number of exercises in 2 hours. If her average rate on Monday was pexercises per hour, what was her average rate the next day, in  terms of p?

Answer 1

p- it is amount of exercises
average=
`(exercises)/(hour)`
Monday average=
`(p)/(3h)`
Tuesday average=
`(p)/(2h)`
If we take into account both days and calculate average from Monday and Tuesday ( we sum 3h on Monday and 2 hours on Tuesday and p exercises on Mon and p exercises on Tuesday):
Monday and Tuesday average=
`(2p)/(5)`