I believe your answer would be C. Hope this helped!
Answer:
$330
Step-by-step explanation:
What is mean/average?
It is the "sum of all the numbers" divided by the "number of numbers".
An average of 200 for 6 numbers means:

THus, if we were to add the 6 numbers, we would get "1200". Let the 6th number be x, so we can write:
120 + 110 + 200 + 300 + 140 + x = 1200
870 + x = 1200
x = 1200 - 870
x = 330
To make the average $200, Pedro needs to make $330 on 6th day.
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Your answer is=>





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She will have 3/4ths cake left because she ate 4/5ths the night before and the next morning she ate 1/4th of the cake, it is 1/4 because that's what was left of the cake from 4/5ths of what she ate the night before. Hope this helps the answer is 3/4th.