Autumn used 0.675 of the battery life on her mp3 player. her brother borrowed it to play a game and used 0.2 of the total battery life. of her mp3 player shows the battery life that remains as a percentage, what does it showed after her brother is finished?

Question

Mathematics

Melany Stanton

18 March, 09:00

Autumn used 0.675 of the battery life on her mp3 player. her brother borrowed it to play a game and used 0.2 of the total battery life. of her mp3 player shows the battery life that remains as a percentage, what does it showed after her brother is finished?

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Answers (1)

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Jazmyn Fitzpatrick · Answer 1

She starts out with the battery 100% full.

0.675 as a fraction is 67.5%

Subtract 67.5% from the initial amount.

100% - 67.5% = 32.5%

0.2 as a fraction is 20%

Subtract 20% from the amount left:

32.5% - 20% = 12.5%. She has 12.5% left.