The number of small lawns Isabella can rake depends on the amount of time she spends raking. Isabella can rake 3 lawns in 3.75 h. How many lawns can she rake in 5 h?

The amount of money Jose spends on movie tickets varies directly with the number of tickets he purchases. if 3 movie tickets cost $20.25, how many movie tickets can be purchased for $47.25?

Please help, I'm not good at all with math word problems.