Question

77.5% of a number is 217. Find the number.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

let number = x

according to the question

77.5% of x = 217

$\frac{77.5}{100} \times x = 217 \\ \frac{775}{1000} \times x = 217 \\ x = 217 \times \frac{1000}{775} \\ x = 217 \times \frac{40}{31} \\ x = 7 \times 40 \\ x = 280$