Write 42% as a fraction in simplest form as a decimal

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?