SAT Math Practice Question #28793 - SATify | SATify

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SAT Math Practice Question #28793 - SATify | SATify

#28793

number theory

easy

90 sec

For how many positive integers $n$ is $\frac{n}{20 - n}$ also a positive integer?

A.

4

B.

5

C.

6

D.

7

E.

8