SOLUTION: if my laptop takes 3 hours to be completely charged and its 25% charged up then how much longer will it takes until it charges up completely?

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Question 470795: if my laptop takes 3 hours to be completely charged and its 25% charged up then how much longer will it takes until it charges up completely?
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
75% of 3 hours

.75
x 3
---- {changed percent to a decimal by moving decimal point left two places}
2.25 hours to charge the remaining 75%

approximately 2 hours and 15 minutes to charge

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