Answer:


Step-by-step explanation:
Required
As a decimal to nearest thousandth
Solving (a): 78.4%

Express as fraction

Solve fraction
----- This is already in thousandth place
Solving (b): 29%

Express as fraction

Solve fraction

Approximate

Answer:
21 or 23 servings.
Step-by-step explanation:
Answer:
32
Step-by-step explanation:
times
There are

ways of pairing up any 2 members from the pool of
contestants. Note that

so that

Just put down no solution. It's unsolvable.