Ben wants to put wall-to-wall carpeting in a small rectangular room. The room measures 12 feet by 10 feet. Carpet cost $3.60 per square foot. How much will it cost
Ben to re-carpet the small room?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.