Use long division to divide 13/15.
This will give you 0.8666... (repeating)
Multiply by 100 to get your percent.
Answer:
65 coins
Step-by-step explanation:
Set this problem up with a porportion.

After that, cross multiple and divide.
25 times 260. Then divide by 100. That is then your answer.
Answer:
Step-by-step explanation:
intersection = { } no common elements.
union = { b,d,f,a,c,k}