Cara can paint 3 walls in 4 hours. how much time will she need to paint 6 walls?

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

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?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents