Take all three trial result averages and add them up
Then take that number and divide by three because there was three numbers added.
That number is the average of the three trials
Answer:
(4x + y)(3x-5x)
Step-by-step explanation:
Let x be the common factor between chickens and ducks. Then:
6x/(5x-63)=3/1
15x-189=6x
9x=189
x=21
6x=123 chickens were on the farm
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The right answer is A...........
5+2h i think this is how it would be represented