Hashen wants to put up fencing around three of his rectangular yard and leave a side of 20 feet unfenced. If the yard has area of 680 square feet, How many feet of fencing does he need?

Increasing the original price of an item by 15 percent and then decreasing the new price by 15 percent is equi...

In a weight -lifting competion, the total weight of Jabir's two lifts was 750 pounds. Twice the weight of this...

The average of 6 numbers is 8.5. When one number is discarded the average of the remaining numbers becomes 7.2...

A worker union contract specifies a 6 percent salary increase plus a Tk 450 bonus foro each worker. For a work...

A business firm reduces the number of hours its emplyess work from 40 hours per week to 36 hours per week whil...

Rahim average 70 in his first m number of exams. After taking n more exams, he had an overall average of 75. I...