74.21 written in written form

Jeff can put shingles on a house in 9 hours while David can shingle the same house in 6 hours. If the two work together, how long would it take them to shingle the house?

Part of the proceeds from a garage sale was $510 worth of $10 and $20 bills. if there were only 6 more $10 bills than $20, find the number for each denomination

How much do you have to add to 1,750 m to get 4 m?

Find the mode of this data set 18.33.25,36,35,31, 19, 30,23,28.33

A parachutists rate during a free fall reaches 153 miles per hour. What is this rate in feet per second? At this rate, how many will the parachutists fall during 15 seconds of free fall

While on a train trip, Marsha noticed that there were 35 people in her train car. After the next stop, there were only 21 people in her car. If p represents the percent decrease in the number of people in Marsha's train car, what is p?

Which of the following is a better buy: 8 pounds for $12.56 or 11 pounds for $16.83

On a road trip, Maura drove at a speed of 60 miles per hour for the first two hours. She then increased her speed by 25%. How fast was Maura driving after she increased her speed.

Albert can sell a ratio of 20 book every 2 hours. How many book can he sell in 12 hours?

Steven started with 37 Pokemon. Then he caught 4 new Pokemon each day. How many Pokemon will he have after 10 days?