Mr. williams physical education class lasts 7/8 hour if instruciton is 1/5 how many minutes are not spent on instruction?

Answer

Find out the how many minutes are not spent on instruction.

To prove

Let us assume that the numbers of hours Mr. Williams is not  instruciton be x.

As given

Than the equation becomes

L.C.M of (8,5) = 40

As 1 hours = 60 mintues

= 40.5 mintues

Therefore in 40.5 mintues Mr. Williams not spent on instruction .

answer: -8.2562234e+13