5 by 4 times a number …
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Rajan Kumar Pasi 3 years, 10 months ago
Q. {tex}\LARGE { \frac{5}{4}}{/tex} times a number is 10 more than the number. Find the number?
Sol. =
Covert the statement step by step into a mathematical expression.
=> Let the unknown number be, x
=> {tex}\LARGE { \frac{5}{4}}{/tex} times a number = {tex}\LARGE { \frac{5}{4}\times x}{/tex}
=> 10 more than the number = {tex}\LARGE {10 + x}{/tex}
=> Therefore, {tex}\LARGE { \frac{5}{4}\times x}{/tex}{tex}\LARGE { = 10 + x}{/tex}
{tex}\huge {=> 5\times x = 4\times (10+x)}\\ \huge{=> 5 x= 40+4x }\\ \huge{=> 5 x-4x= 40 }\\ \huge{=> x= 40 }\\{/tex}
Final answer, x = 40.
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