Gino has a contrat to work 400 hours for a roofing company after hurricane Sally. So far, he has worked 160 hours. What percent of the contract has Gino work. (remember that percent is
always part of 100)

How do i do this? i don’t understand

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.