Quandaries
and Queries 

My name is Jack. I'm a uncle. Student is in the 5th grade email is above. If a baseball player at sping training had a good season with the following:
Can you give me an explanation of you solved the problem. 

Hi Jack, You know the fraction of doubles, triples and home runs he hit, so all you are missing is the singles. Since 12.5% is 1/8, the fraction of his hits that were doubles, triples or home runs is
Thus the fraction of his hits that were singles is
If this arithmetic is exact then you know that the number of hits he had is a multiple of 56. He might have had 56 hits,
or he might have had 256 = 112 hits,
or he might have had 356 = 168 hits,
Cheers, 

