I hit 30 subs! Can you guys help me out more by subbing to 999 splxsh on yt. Thanks!

If 20% of a number is 35, what is 50% of that number?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation, and the determine the cost if he drove it70 miles. b) what would be the cost of a car rental if the car was driven 250 miles? show work