Answer:
Can you give me the choices for each of these, I'm not sure how they might phrase it.
Answer:
30 days
Step-by-step explanation:
The common multiples of 15 and 6 are 30, 60, 90 etc and because it increases by 30 each time we can find out that he will play both football and basketball together in thirty days!
A rational number would be 81/10 or 8.1