So it tell us that he is able to get 5 hits out of 7 and to find how much he could make if 210 chances

We solve what can be solved

Then we leave our variable alone

Last we solve

In this case we can see that he could make 147 hits out of 210 bats.
28800 quarts per hour because 120 times 4 equals 480 and 480 times 60 equals 28800
2:3
it was originally 8:12, but it has to be simplified. 2/3 can also work as an answer.
X = 97
Working on other question.