After working 4 hours frank made 21 machine parts. it's the sam...

alter working 4 hours, frank has made 21 machine parts.at the same rate how many parts can he make i...

After working 4 hours, Frank has made 21 machine parts. At the same rate, how many parts can he make...

3 pumps, working 6 hours a day, can empy a water tank in 2 days. How many hours a day must 9 pumps...

Three typists working 8 hours a day type a document in 10 days. If only 2 typists are working, how m...

If 5 men working 6 hours a day can reap a field in 20 days, in how many days will 15 men reap the fi...

Alisa was working 24 hours how many hours did Alisa work in a year?

It takes Frank 2 hours longer than Jane to carpet a certain type of room. Together they can carpet...

Long Hours Working hours in the mills were long—12 hours a day, 6 days a week. True, farmers also pu...

Richard is working 30 hours a week. For the first three days he worked 21 1/5 hours. Complete the wo...

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