A barrel contains 120 gallons of water and is being drained at a constant rate of 11 gallons per minute. Write an[..]

Weight Loss. After losing 30 pounds,an individual weighs 110 pounds more than one-third his previous weight. Find[..]

Joe has a collection of nickels and dimes that is worth $6.10. If the number of dimes was tripled and the numbe of[..]

Two planes left an airport at noon. One flew east at a certain speed and the other flew west at twice the speed. The[..]

one positive number is 1/5 of another number. the difference between the two numbers is 60. find the number.

If a number is added to its square,the result is 42. Find the number.

How many gallons of a 5% acid solution must be mixed with 5 gal of a 10% solution to obtain a 7% solution?

the weight of the body is inversely proportional to the square of its distance from the center of the earth. a)[..]

A student is 15years old.how old will he be in 4years time?how old will he be in y years time?

A student is 15years old.how old will he be in 4years time?how old will he be in y years?