<h3><u>Answer</u>

ΔABF is an isosceles right triangle,BC=20-18

</h3>
Answer:
45
Step-by-step explanation:
The answer is 6/13 since there are 12 distinct letters in the phrase and 12/26 is written as 6/13
There is no table so I cannot help you other than to say
to find the answer multiply the time swimming of each participating swimmer by .7 and you shall get your time.