Answer: 2x - 30
Step-by-step explanation:
The equation of any straight line, called a linear equation, can be written as: y= mx+b, where my is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the lone crosses the y axis.
If their call lasts 11 minutes the cost will be the same
Answer:
5 minutes
Step-by-step explanation:
8miles/1mile = 40minutes/ x minutes
x = 5 minutes