Answer:
then the diameter is 20
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
← factor numerator and denominator
=
← cancel common factor (x + 1) on numerator/ denominator
= 
Do you mean restaraunt?
- Every 10th customer
- Every 15th customer
Something like that. I hope this helps.
Step-by-step explanation: it would help to compare whitch the answer would be 5 to 7