31. A business rents cars for $150 a day and vans for $300 a day. One day it rented a total of 30 vehicles and made a total $5700. How many cars and vans did the business rent that day?
A 8 cars and 22 vans.
B 10 cars and 20 vans
C 20 cars and 10 vans
D 22 cars and 8 vans

Answer is in the photo. I can only upload it to a file hosting service. link below!

cutt.ly/nz6VGda

y < -3

step-by-step explanation:

-3y - 2 > 7

-3y -2 + 2 > 7+2

-3y > 9

-3y/-3 < 9/-3   (change the inequality sign when multiplying or dividing by a negative number)

y < -3

step-by-step explanation:

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