20 x 3.2 = 64.0
It is equal to 64 because of you do long multiplication, it is 32 x 20 then add back in the decimal point in between the 4 and 0 for the answer.
Question, I that the Algebra nation book????
ANSWER

EXPLANATION
We want to find an odds ratio from a given probability, which is

We subtract the numerator 1 from the denominator 4 to obtain

The answer is the number of unfavorable outcomes.
The Odds can then be expressed as

The ratio of favourable outcomes to unfavorable outcomes.
Or
It will be 5 because 7x3 is 21, minus 26 to 21 is 5, won't be 7x4=28 and that's greater than 26