Brandon can paint a fence in 12 hours and Elaine can paint the same fence in 11 hours. 9) How long will they take to paint the fence if they work together?

What two numbers add to make twenty and have a difference of four?

Convert 21 / into a decimal

Chris sells encyclopedias and earns $45 for each set he sells. How many sets did he sell if he earned $540 last week?

3. A scuba diver is 15.5 feet below the surface of the water. If the diver continues to swim downward at a rate of 2.

A wire, 224 cm long, is cut into three pieces. The first is twice as long as the second. The third is 1/2 as long as the second. How long is the second piece?

Solve 2200 : 40 a. 55 b. 50 c. 60 d. 500

a farmer needs to buy fertilizer for his farmland. The instructions on the bag of fertilizer say 49.5 lb of fertilizer is needed for 1 acre of land. The farmers buys 2000 pounds of fertilizer.

6 Isabella paid a $50 initiation fee to the gym. Each month she pays $25. Write a linear equation that shows how much Isabella spent, y, at the gym in x months.

Which of the following two layers of Earth are part of the lithosphere?

Which best describes the solution to 4 minus 7?