Answer:
Y=4x+12
Step-by-step explanation:
12x-3y=-12
Divide by 3
4x-y=-12
Move y to other side
y-12=4x
Move -12 on other side
y=4x+12
Answer:
Expression: $7.50x + 15.50 = y Total Cost: $30.50
Step-by-step explanation:
x goes next to 7.50 because it is 7.50 per person, which makes it a variable that varies and can change.
since the expression is $7.50x + 15.50 = y, we just plug x in for 2 because he and his friend are going which is 2 people.
7.50(2) + 15.50 = 30.50
So the problem is 40 divided by 3 which is 13.3% with a line over the 3 because it is infinante
