Question 1142704
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{{{-38t^2 + 152t}}} = 114.


{{{38t^2 - 152t + 114}}} = 0.


Simplify


{{{t^2 - 4t + 3}}} = 0.


Factor left side


(t-3)*(t-1) = 0.


There are two solutions:  t= 1 minute  and  t= 3 minutes.
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