Solve the problem.One maid can clean the house in 7 hr. Another maid can do the job in 8 hr. How long will it take them to do the job working together?

A. 3 hr
B.  hr
C. 56 hr
D.  hr


Answer: A

Mathematics

You might also like to view...

Find the value of the expression.17 + 16 × 25 - (-13)

A. 812 B. 838 C. 71 D. 430

Mathematics

Solve.The population of Graham County is 1,069,733. The population of Broselow County is 267,979. The population of Cameron County is 205,256. How much greater is the population of Graham County than Cameron County?

A. 801,754 B. 864,577 C. 800,754 D. 864,477

Mathematics

Perform the indicated operation. Assume that all variables are nonnegative.-17 - 15

A. -2ab
B. -2
C. -32
D. 2ab

Mathematics

Solve.The following is a real estate commission on the selling price of a house. 10% for the first $100,000, and 3% for the amount which exceeds $100,000A realtor receives $16,060.00 for selling a house. What was the selling price?

A. $302,000 B. $202,000 C. $6060 D. $402,000

Mathematics