Question

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Answer 1

Answer:

30

Step-by-step explanation:

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Answer 2

Solution :

let the number be “ x ”

then,

$7x + 50 + 40 = 300$

$7x = 300 - 90$

$7x = 210$

$x = \frac{210}{7} = 30$

Hence , the number is 30 .