Answers

8時x分に兄が妹に追いつくとすると
妹が進んだ距離は50x
兄が進んだ距離は110(x−12)と表せるから

50x=110(x−12)
x=22

8時22分

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉