Answer:
20
Step-by-step explanation:
x^2/y
Let x=10 and y=5
10^2/5
100/5
20
U need to find the equation of the line....and once u do that, sub in 0 for x and solve for y
Anwser: The hotels charge for a call is the same for a 20 minute call.
Step-by-step explanation:
Alrighty, same deal as the last problem, set up a equality, it should look like this:
$1+.80x=$2+.75x
Move the variable to the left of the equation:
.80x-.75x=2-1
Simplify
.05x=1
x=20