Jake is selling cookies there 60 cookies in a package how many cookies are there in three packages ?

Which number produces a rationale number when multiplied by 1/5

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Ineed the solution to this problem and the steps.