A contractor buys a back hoe and plans on keeping it for 20 years. After that it will be too expensive to maintain.[..]

Plan A: $35 monthly charge+10 cents per text message Plan B: $18 monthly charge+20 cents per text message how many[..]

one leg of a right triangle has a length of 5m. the other sides have lengths that are consecutive integers. find[..]

The length of each side of a square is 3 inches more than the length of each side of smaller square. The sum of the[..]

At Reyna High School 50% of the students eat lunch in the school cafeteria. In the same school 10% of the students[..]

For the years 2010 to 2050, the projected percentage P of a certain nations population that will be over the age 65[..]

Gerald has one-third as many tater tots as Mary. If Mary gives Gerald 7 of her tater tots, Gerald will have three[..]

Q varies inversely as the square of p, and Q=7 when p=5. Find Q when p=6

A pump can fill a 750-gallon tank in 35 minutes. How long will it take to fill a 1000-gallon tank with this same pump?

17,100 is invested between two accounts: one paying 2% simple interest and other paying 1$% simple interest. After 1[..]