We know, 3 feet = 1 yard.
We have to convert feet to yards to calculate the ratio so that the final answer doesn't have any unit.
Therefore, 21 feet =
= 7 yards
Thus, the ratio

The fraction
is already in its simplest form.
Therefore, the given ratio as a fraction in the simplest form without any units is 
Yes she does have enough here's my work
16 times .20 equals 3.2 and the add 3.2 to 16 and get $19.20
Answer: your friend is trying to find out how many canys are in a box(a) and he gives you 6 and has 15 left
Step-by-step explanation:
Go up six on the y intercept. Then from 6 go up 1 and over 4.
...........Hope this helps :)