3 1/2r=28
3.5r=28
cross of 3.5 and r remains
divide 28 and 3.5
and r=8
r=8
3.498947368421053 <- Exactly...
Evenly: Three times. It comes out to be 1425 with 237 left...
I hope this answers your question... Let me know if I didn't! <3
By using the process of elimination, the answer is A.
0.8 = 8/10
simplified = 4/5 seconds
hope this helps
