Jennifer can clean the house by herself in 3 hours. Her little brother Andy helps her clean and it takes them 2 hours working together. How long would it have taken Andy to clean the house if he had worked alone?
a. hours
b. 3 hours
c. 6 hours
d. 1 hour

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?