What is the answer problem to the equation of r

A lunch in a fancy restaurant is three times as expensive as a lunch in a cafeeria. The lunch in the fancy restaurant costs 36. In five day workweek Mary eats at the fancy restaurant once and in the cafeteria the rest of the days.

Solve for x in the equation - 2/5x=12

How do you write 13/50 as a decimal

What's the least common multiple of 15 and 75

The sides of a rectangle have the ratio 7:2. its perimeter is 207cm. Find the area

Wesley is making a patio from stones of two sizes, 5 inches wide and 10 inches wide. He wants to begin and end his pattern with a 10-inch stone so there will be one more of the 10-inch stone than of the 5-inch stones.

In the theory of learning, the rate at which a subject is memorized is assumed to be proportional to the amount that is left to be memorized. Assume that the rate at which material is forgotten is proportional to the amount memorized.

Provide the brackets in the right place to make the statement true. -6x-3-5+2=5

3/4x-5/6=2/3x how to solve?

What is - 2 1/3 - - 4 1/2