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Jess gave her a ​$4.90 tip. The tip was 7​% of the cost of the . Write an equation to find​ b, the cost of the Manicure
If all percents are expressed as​ decimals, the equation
(fill in the blank) can be used to find​ b, the cost of the manicure .

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The formula to finding percentages is x% * y = c. So 7% of $4.90 is 0.343.
( 7% is 0.07)

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