If Ian uses 1/20 of the ketchup 4 times, this is equal to 4/20, or

.

can be simplified to

, which means we need to work out

of 12.2

is equivalent to 20%, which as a decimal is 0.2
0.2 x 12.2 = 2.44 - however, this is how much he has
used, and we need to figure out how much is left.
12.2 - 2.44 = 9.76
So, Ian has 9.76 oz remaining :)
Answer:
Here is the equation 4x6/8=3
So to figure this out we are looking for the amount of customers in the store each our, so we simply divide 120 by 6 and get 20 as our answer.
<em><u>this </u></em><em><u>is </u></em><em><u>the </u></em><em><u>correct</u></em><em><u> answer</u></em><em><u> </u></em>