Answer:
A woman paid 1.6 more than a man when both scored a 10 on the test.
Step-by-step explanation:
Let T be a worker's score on the test.
The firm then pays the new worker a wage of

where G is the average test score for the worker's gender 16 for women; 12 for men.
We need to find how much more is a woman paid than a man when both scored a 10 on the test.
The wage of a woman who scored 10 on the test is


The wage of a man who scored 10 on the test is


The difference between wages is

Therefore a woman paid 1.6 more than a man when both scored a 10 on the test.