Xy-8 for x=3 and y = 5

given

X=3

Y=5

putting values given question

3×5-8

15-8

7

I hope this will help you

3*5-8

=15-8

=7

it would take 5 hours i think idk i'm not that good at math.can you me with my questions i need asap.

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)