answer: 1, 3 and 5 are correct
step-by-step explanation:
60%
thats not a system of equations, that is a solution
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)