Here I have attached a photo to help you with this:
Answer:
the answer is 4/10
Step-by-step explanation:
Group b ate more pizza because group a ate 1 whole pizza and b ate 1whole 2/6 and to find out how much c ate u do 1 whole plus 1 whole 2/6 which is 2 whole 2/6 and 4/6 is left. Group a ate: 1 whole pizza Group b ate: 1wholw 2/6. Group c ate: 4/6 and b ate the most
.68 because when you set up the problem you just set it up the regular way and put a decimal point and a 0 behind 17 and divide regularly and if its still not even then just add another zero and do the same thing and if its even, that's your answer