Mathematics, 03.11.2020 04:50 gugu1004

The expression 100−2.5x represents the balance of Grace’s lunch account after x days. The expression 100+2.5(5−x) represents the balance of Tim’s lunch account after x days. After how many days do the lunch accounts have the same balance?

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The expression 100−2.5x represents the balance of Grace’s lunch account after x days. The expression...

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