Question

Person 1 can do a certain job in 15min, and person 2 can do the same job in 30 min. when completing the job together, which expression would be used to represent the amount of work done by person 1

A. 15
B. 1/15
C. x/15​

Answer 1

B. 1/15

Explanation:

Answer 2

I believe the answer is B. 1/15

Explanation: