Earl solved a system of equations using substitution. Did he do it correctly? How do you know? If he did not, locate his error and solve the system correctly. System: x+y=3 2x-3y=16

i believe the answer is d.

hope it you! : d

i dont know if you cant find a way its best to actually add all of them start from 105 tho

step-by-step explanation:

step-by-step explanation:

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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)