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I need help with the explanation & answer to this question: "Janet's dinner costs $7.50. If she wants to leave a 10% tip, how much extra should she leave?"

I need help with the explanation & answer to this question: "Janet's dinner costs $7.50. If she wants to leave a 10% tip, how much extra should she leave?"
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I need help with the explanation & answer to this question: "Janet's dinner costs $7.50. If she wants to leave a 10% tip, how much extra should she leave?"

User Pietro Speroni
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$7.50/?=100/10 then criss cross and u will get 75/100=0.75
User Emilio Martinez
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