Anna C.
asked • 03/24/19Timmy studied for his MAT 114 final exam for 3 hours and scored 192 points. He believes he improved his score by 30% for every hour he studied.
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1 Expert Answer
Patrick B. answered • 03/30/19
Tutor
4.7
(31)
Math and computer tutor/teacher
Assuming that....
30% percent increase per hour for 3 hours.
30% increase means 100%+30% = 130% = 1.3
So
192 = 1.3^3*X
192 = 2.197X
X = 192 / 2.197 = 87.391898......
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Larry C.
What is the question? What his score would have been if he hadn't studied?03/29/19