The sum of the digits of a three-digit number is 6. The hundreds digit is twice the units digit, and the tens digit equals to the sum of the other two. Find the number.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Factor and solve to find roots x squared -x - 90 =0