Answer:
the greater betweem them is peter
Step-by-step explanation:
to know the greater will compare between them make a common denominator that is 80 (divisible by 5, 8, 10)
then we have:
16/80 for Alvin
, 30/80 for erin
and 56/80 for peter
then peter who finished the greater fraction oF his science work
hope this helps