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When Isabella left her house in the morning, her cell phone battery was partially charged. Let BB represent the charge remaining in Isabella's battery, as a percentage, tt hours since Isabella left her house. The table below has select values showing the linear relationship between tt and B.B. Determine the percentage charge that Isabella's phone loses each hour.

When Isabella left her house in the morning her cell phone battery was partially charged Let BB represent the charge remaining in Isabellas battery as a percent class=

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Answer:

5% each hour

Step-by-step explanation:

in 1.5 hours she loses 7.5% of battery

get the percentage of loss for a half hour.

divide 1.5 and 7.5 by 3.

That gives a loss of 2.5% for every half hour.

Which gives a loss of 5% percent an hour.

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