
Let's find the Radius ~






or

I hope you understood the whole procedure, let me know if you have doubts ~
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The answer is D my dude don’t over think. Since it’s are multiply your answer choices till you reach 60.75
You mean to simplify as this is an expression not an equation, as it has no equal sign...
Factor our 4 first
(4r^3t^2)/(-rt)
Now factor out -rt
-4r^2t
He used 7 pints all together because there at 2 cups in each pint and 4 pints in a half a gallon.