Amanda's first four test scores are 77, 95, 84, and 69. What does Amanda need to score on the next test to have at least an 82 average?
A)
85 or greater
B)
90 or greater
Eliminate
C)
greater than 85
D)
greater than 92

Question

Amanda's first four test scores are 77, 95, 84, and 69. What does Amanda need to score on the next test to have at least an 82 average?
A)
85 or greater	
B)
90 or greater	
Eliminate
C)
greater than 85	
D)
greater than 92

i_ask_alot · Answer

@Astrophysics

fortytherapper · Answer

So we have 4 scores (77, 95, 84, and 69)

How would you find the average of those scores?

aihberkhan · Answer

Okay. 

If Amanda's four test scores are 77, 95, 84, and 69; and the next test score is $$x$$ then to have at least 82 average, x will be:
$$77+95+84+69/5$$

So... you should get A!

i_ask_alot · Answer

Dont you add them then divide by 4

aihberkhan · Answer

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i_ask_alot · Answer

thx