One drain pipe can empty a swimming pool in 6 h. Another pipe takes 3 h. If both pipes are used at the same time to[..]

Jake can wallpaper a room in 10 h and Maura can do it in 8 h. What part of the job can they do by working together[..]

Franklin can do a job in 6 h and Mike can do it in 4 h. What part of the job can they do by working together for 2[..]

Rita takes 3h to type a report. What part of the typing can she do in 2h?

My brother is six times older than my sister. My sister is 36 years younger than my father. My father is three[..]

A game warden catches,tags,and then releases 15 zebras. A month later, a sample of 20 zebras is collected and 6 of[..]

A sample of 125 spark plugs contained four defective spark plugs.How many defective spark plugs would you expect to[..]

craig drives 20km/hr faster than Marilyn. In the same time that Marilyn drives 225 km,Craig drives 325 km.Find the[..]

Kopy Kwik has 2 copiers. One can copy a year-end report in 20 minutes. The other can copy the same document in 30[..]

find an equation of variation in which y varies directly as x and the folling are true. Then find the value od y[..]