Answer:
Equation: y=1.5x+4 Will total $10 after 4 hours
Explanation:
Format: y=mx+b
y is total cost
m is per hour
b is starting cost
Equation: y=1.5x+4
After 4 hours, it will be $10 because:
10=1.5x+4
subtract 4 both sides
6=1.5x
divide 6 by 1.5
4=x
Hence the 4 hours answer