Mathematics, 21.10.2020 14:01, vinniemccray70

When Charlotte left her house this morning, her cell phone was 30% charged and it then started to lose 2.5% charge for each hour thereafter. Write an equation for B, in
terms of t, representing the charge remaining in Charlotte's battery, as a percentage,
t hours after Charlotte left her house.
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When Charlotte left her house this morning, her cell phone was 30% charged and it then started to l...