Which expression has the same meaning as n 5/3?

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.

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?