Vicky came home from the matinee at 5: 45 pm. the travel time to and from the cinema was 1/2 hr each way . she spent 2 1/4 hrs at the cinema . what time did she leave home.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms