Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Let's make the daughter's age X so the father's age is 4X in seven years both of their ages are now seven years more so Father = 4X + 7 Daughter = X + 7 And the father is now three times older than his daughter so 4X + 7 = 3 (X + 7) then 4X + 7 = 3X + 21 subtract 7 and 3 x from both sides and you get 4X - 3X = 21 - 7 so X equals 14 the daughter is 14