Find p if the mean of the given data is 49.7

Class 25-35 35-45 45-55 55-65 65-75 75-85

Frequency 7 31 33 p 1

Find p if the mean of the given data is 49.7

Class 25-35 35-45 45-55 55-65 65-75 75-85

Frequency 7 31 33 p 11 1
Pls show with steps​

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Claire

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