Jen bought 5 cds for 57.50 dollars. what was the unit rate

Robert has 78 tomatoes and 56 cucumbers he wants to plant them in equal rows how many in each row

Sylvia rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did sylvia rent the boat

Tony is pouring milk for student lunches. she knows that 3 quarts of milk contain 12 cups. how many cups can she pour with 7 quarts of milk? how many quarts will she need to pour 10 cups of milk?