In fourteen years time, a mother will be twice as old as her son. four years ago the sum of their ages was 30years, find how old the mother was when the son was born

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

Charlie tosses five coins.what is the probability that all five coins will land tails up.