A man is six times as old as his son. twenty years time the man is twice as old as his son. find the age of the man whn his son was born

For the equations below which statement is true ?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.