40/-4

Dally can paint a room in 6 hours while it takes Steve 9 hours to paint the same room. How long would it take them[..]

A boat travels 6 km upstream and 6 km back. The time fo rthe round trip is 9 hrs. The speed of the stream is 5[..]

According to newton's second law of motion, the force acting on an object varies directly with the object's[..]

An inlet pipe on a swimming pool can be used to fill the pool in 33 hours. The drain pipe can be used to empty the[..]

Rosa owns a bagel stand, and she has been granted a season license for football. There are five games during the[..]

An architect is designing a new lakefront cottage. He must consider the building codes in the design. The[..]

Admission prices in the Metro Pop concert were $20 and $50 , the total cash in one ticket booth is $9,550. Tickets[..]

A merchant has twice as much money invested at 12% as he has at 10%. If his annual from both investements is $84,000[..]

Anna has a collection of 24 crystal and handmade angels. she has 5 time as many crystal angles as handmade. How[..]