15 & 27 would be the correct pair
The answer to the question is the first one
Answer:
31.4 inches
Step-by-step explanation:
The circumference (C) of a circle of diameter d is given by the formula ...
... C = π·d
where π is the transcendental constant approximated by 3.14159265...
The circumference of a circular reel 10 inches in diameter is ...
... C = π·(10 in) ≈ 31.4 in
10.6 gallons/3 minutes
3.533... gals per minute
The answer to this is C.27.3 and you would divide to get your answer.