Question

Arjun think of a number and subtracts 5/2 from it .He multiplies the result by 8.The result now obtained is 3 times the same number he thought of it. what is the number?​

Answer 1

Answer:

Hey Mate...

..ur answer is here...

$let \: the \: number \: be \: x \\ ..atq. \\ (x - \frac{5}{2} ) \times 8 = 3 \\ \frac{2x - 5}{2} \times 8 = 3 \\ (2x - 5) \times 4 = 3 \\ 8x - 20 = 3 \\ 8x = 3 + 20 \\ x = \frac{23}{8} = \: \: \: 2.875$

so ..the number was......

2.875

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..mark it as brainleast....

hope it helps you..

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.... THANKYOU. ....