Question

if I take 3\4 of a number and add 3 to it. I get 21​

Answer 1

Answer:

24

Step-by-step explanation:

let the number be x

$\frac{3}{4} x + 3 = 21 \\ \\ \frac{3}{4} x = 18 \\ \\ \frac{x}{4} = 6 \\ \\ x = 24$

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Answer 2

Answer:

24

Step-by-step explanation:

Let the unknown no: be "x".

According to the Q,

>> (3/4 of x) + 3 = 21

>> (3/4 * x) + 3 = 21

>> (3x/4) + 3 = 21

>> 3x/4 = 21 - 3

>> 3x/4 = 18

>> 3x = 18 * 4

>> 3x = 72

>> x = 72/3

>> x = 24

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