Hey!
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~Turn both into decimals.
84% = 0.84
7/8 = 0.875
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Hence, Mallory made more shots then Christina!
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Hope This Helped! Good Luck!
Answer:
:)
Step-by-step explanation:
For simplicity I will substitue
for β.

In the first step I used the identity
And I factored out 
Then it's just simple algebra to cancel till the 3rd step where we used another identity derived from the Pythagorean Theorem.

That's it!
They would have to sell around a 1000 newspapers