Answer:the answer is A
Step-by-step explanation:
You are told that sprinklers run for the same amount of time. lets refer to this time as T.
you are told that 4 sprinkles run one at a time for 50 minutes total. that means that T should be 50/4 = 12.5 minutes = 12 minutes and 30 seconds
The answer is the first one; it is an arithmetic sequence with a common difference of -40.
Have you tried doing 6 in x 4 in, if not try that
