We need to find how many 1/4 groups are in 1 1/2.
I work better with decimals, so I'll just convert them into decimals. We're dividing to see how many people we need.
1.5÷0.25
6
So, you'll need 6 runners for the relay race.
That my dear friend is... 25
I took a picture on my calculator of what the graph should look like.
Weight of other bag would be 14/15 kg