Sagot :
Answer:
5
Step-by-step explanation:
becuse he wants to put same number of chairs in each row that is 5,10,15,20 5+5+5+5=20 so thats five
Answer:
5
Step-by-step explanation:
becuse he wants to put same number of chairs in each row that is 5,10,15,20 5+5+5+5=20 so thats five