Answer:
0.6 I'm also sorry if I get it wrong
C = 2 pi r
C = 2 x 3.14 x 12.5
C = 78.5 cm
answer is C. 78.5 cm
A unit fraction is a fraction where the denominator is one, so the easiest way to write 4/5 as a sum of unit fractions is to use 1/5. So the answer would be 1/5+1/5+1/5+1/5. Add up all the numerators and put that over their like denominators to get 4/5!
It’s 28, 16 add 4 is 20 add 8 is 28