N={1,2,3,4,5,6,....}
ElF={5,15,25,35,45,55,65,75....}
so let natural numbers to be n, so
a)count the distance between the numbers
b)add or subtract extra values
10n-5 would be one to-one correspondence.
Answer:
I think it's C) 18.5ft^2
it's just an educated guess though I haven't worked on area in a while
Hello here is a solution :
Answer:
1/5 × 40 = 8
the person's speed is 8 miles per hour
There will be about 480 tons per day. Hope it help!