Hey there!
2/3 *30/1= 30/3= 10 and 3/3=1 so 2/1*10/1= 20
So the product is 20
1.6 min. per lap
All you have to do is divide 20 by 12.5
No you could have left it as the last but one line or write them separately as
11/18 + √85 / 18 , 11/18 - √85/18
9 cups, 2 1/4= 2.25, 2.25 times 4 equals 9
