the selling price of a phone in retail store is $66 less than 3 times the wholesale price if the selling price is $899 write and solve an equation

Question

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Answer 1

If the wholesale price is p, then the retail selling price = 3p-66

 

So the equation is 3p-66=899

 

the whole sale price p: 3p=899-66, p=833/3 =~$278