How do i translate 40% of 60% into an equation or what is 40% of 60% ?

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

The measure of an angle is 117°. what is the measure of a supplementary angle?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years