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Mathematics, 31.01.2021 23:50 chilanka

3. A battery was tested and found to power a camera for 12 hours before it needed
recharging. An improved version of the
battery powered the camera for an extra
30 minutes. Find the percentage increase
in the life of the batteries.

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3. A battery was tested and found to power a camera for 12 hours before it needed
recharging....

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