The water pressure on a scuba diver is directly proportional to the depth of the diver. If the pressure on a diver[..]

The perimeter of a rectangle is 42m , and the area of the rectangle is 90m^2 . Find the dimensions of the rectangle

A soil supplement that weighs 15 lb contains iron, potassium, and mulch. The supplement contains twelve times as[..]

As a result of depreciation, the value of a car is now $18,900. This is four-fifths of its original value. Find the[..]

A union charges monthly dues of $4.00 plus $0.15 for each hour worked during the month. A union member's dues for[..]

In still water a boat averages 8mph it takes the same amount of time to travel 22 miles downstream with the current[..]

A druggist has two mixtures of a certain chemical and water, one containing 10% of the chemical and the other[..]

The average speed of one airplane is 200 mph faster than that of an automobile. If the automobile starts at 3 a.m.[..]

Five years ago, John’s age was half of the age he will be in 8 years. How old is he now?

Sarah's age is 2/3 of Mary's age and 3/4 of Ruth's age. The sum of their ages is 46 years. How old is each?