Mr. Brown bought some books at a book sale, including 4 paperback books. 20% of all the books he bought were paperbacks. How many books did Mr. Brown buy in all?

Sam has a barn that is 16 feet high. He needs to replace a piece of roofing and wants to use a ladder that will rest 8 feet from the building and still reach the top of the building. What length ladder should he use?

Do you have to regroup to find 523-141?

Two cyclist leave towns 78 miles apart at the same time and travel toward each other. One cyclist travels 5 mi/h faster than the other. If they meet in 2 hours, what is the rate of each cyclist?

Yochana walked from home to the bus stop at an average speed of 5 mph. He immediately got on his school bus and traveld at an average speed of 60 mph until he got to school.

Two functions are shown below. f (x) = 1/2 • 2^x g (x) = 5x + 2 What is the largest integer value of x such that f (x) ≤ g (x) ? looking for step by step

Nine thousand, six hundred five and nine tenths

X+2y>10 1. (1,3) 2. (2,0) 3. (1,1) 4. (5,3)

What measurements could NOT be the lengths of a right triangle. a b 6,8,10 5, 12, 13 12, 16,20 14, 18, 22 Od

Cynthia is constructing a circle inscribed in a triangle. She has partially completed the construction, as shown below.

What is the greatest common factor of 40 80 100