Connor has $9.00 in dimes and quarters. If he has twice as many quarters as dimes, how many of each coin does he have?

Six years ago, Freddy was twice the age of Lorena. Now the sum of their ages is 45. How many years older than Lorena[..]

If exactly 200 people sign up for a charter flight,Fun Times Travel Agency charges $300/person. However, if more[..]

Find three consecutive integers that have a sum of 96.

Brian received a cash gift from his parents on his birthday. He spent half of what he got, plus another five dollars[..]

find the 10th term of the sequence: 3,6,12

There is a mistake in the following equation. Explain the mistake. 8b2c−12bc2=4b2c2(2b−3c)

If the area of a rectangle is (50x6+75x8) square meters and its length is 25x4 meters, find its width.

Joe has three times as many as Tom, and Tom has four times as many as Mary. Altogether they have 153. How many has[..]

how much pure antifreeze must be added to 12 gallons of 20% antifreeze to make it 40% antifreeze?