The roof is 8 feet above the floor. To support it, John needs 2 sets of metal bars. If each set has 7 metal bars, how many metal bars are there in all?

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

For each proportion find the unknown number x 1/5/8=×/15

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?