Question

5
1. Amina thinks of a number and subtracts from it. She multiplies the result by 8. The

result now obtained is 3 times the same number she thought of. What is the number?​

Answer 1

$\huge{ \pink{ \bold{ \underline{ \underline{Question: - }}}}}$

$\small{{ \bold{ → Amina \: thinks \: of \: a \: number \: and \: sub \: 5/2 \: from \: it.she \: multiplies \: the \: result \: by \: 8.the \: result \: now \: obtained \: is \: 3 \: times \: the \: same \: number \: she \: thought \: of.what \: is \: the \: number?}}}$

$\huge{ \pink{ \bold{ \underline{ \underline{Answer: - }}}}}$

$\small{{ \bold{→Let \: that \: number \: be \: x \: so,}}}$

$\small{{ \bold{ \: \: \: \: \: \: According \: to \: the \: ques = 8(x - \frac{5}{2}) = 3x}}}$

$\small{{ \bold{ →(8x - \frac{40}{2}) = 3x}}}$

$\small{{ \bold{ →8x - 6x = 40}}}$

$\small{{ \bold{ →2x = 40}}}$

$\small{{ \bold{ → x = 40}}}$

Answer 2

$\huge { \boxed{ \underline{ \sf{ \dag{Question?</p><p> }}}}}</p><p>$

Amina thinks of a number and subtracts 5/2 from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?

$\huge { \boxed{ \underline{ \sf{ \dag{Answer:- }}}}}</p><p>$

Let the number she thought be x

ATQ ,she subtract the 5/2 from the no.= x-5/2

She multiply the result by 8 =8(x-5/2)

Solution:-

3x = 8(x-5/2)

3x=8x -20

20=5x

x=4

So, the number she thought is 4.

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