The answer is 2 1/5 because 1 3/8 is =11/8 TIMES 2/5 IS 2 1/5
hope it helped.
Single interest uses an arithmetic formula where as compound interest uses a geometric formula
-.5 or negative 1/-2
same thing just in a dec and frac
When you add 12, 6, 4 and 2, you will get 24. 12 of the 24 teams wear red shirts, so for every 2 teams there would be 1 team wearing red