Answer:
Yes; James got 76 answers correct
Step-by-step explanation:
Round 1: 50 x 0.8 = 40
Round 2: 40 x 0.75 = 30
Round 3: 30 x 0.2 = 6
40 + 30 + 6 = 76
Do what is in brackets first, then the multiplication.
For this case we have the following functions:

We must find
. By definition we have to:

So:

Finally, the composite function is:

Answer:
