Roland; 20+15+16=51, 51÷3= 17 Roland; 17 We divide 3 because it's the total number of grade she got. Jetta; 16+19+17=52, 52÷3= 17.1 Jetta; 17.1 So, probably Jetta got better grade than Rolanda
Step-by-step explanation: First Divide 20% into half to get samantha and marias percent then add those together then subtract what you get from that to 100% and then divide into half for Mckayla and Jacobs percent
