![](https://s3-ap-southeast-1.amazonaws.com/sg-imath-prod/avatars/1537777156_vN34YyQq_1012377258829977.jpg)
I have solved the problem using algebra method. G= 80 but can anyone shows me how to do e ratio our other method as I have difficulty explaining to my girl who doesn't understand algebra yet. Many thanks
![](https://s3-ap-southeast-1.amazonaws.com/sg-imath-prod/avatars/1537777709_GSUr7LyK_532002677005328.jpg)
If a boy needs 12 minutes to cut a log into 4 pieces, then how long will he take to cut it into 3 pieces?