About 40 swimmers maybe more
Answer: My best guess is a, but i would look into it more.
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
Multiply 6 by $16.50 to get the total amount = $99
now to get the percentage discount : 99-90 (which is the difference) / 99 (original price of what it should have been )
and then multiply by 100 to get the percentage discount