7 divided by 8 in long division

Jim is painting the inside of a circular helicopter pad. how many cans of paint would he need if the pad is 50 feet across and each can of paint covers about 200 ft2.

Solve |2x - 5| = 4 if anyone could , that would be great

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b