Achocolate chip cookie recipe calls for 15 cups of flour for 20 dozen cookies. how many cups of flour are needed for 144 cookies?

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)