Question

Ravindra is 144 cm tall . That is 9/10 as tall as his elder brother . how is tall ravindras elder brother?​

Answer 1

${\underline{\underline{\mathbb{\red{\huge{\bold{Answer}}}}}}}$

144*10/9

=16*10

=160cm

${\underline{\underline{\mathbb{\red{\huge{\bold{160cm}}}}}}}$

Answer 2

$\textbf{\underline{\underline{Answer :-}}}$

The height of Ravindra's elder brother is 160 cm.

$\textbf{\underline{\underline{Explanation :-}}}$

$\textsf{\underline{\underline{Given :}}}$

Ravindra is = 144 cm tall.

Ravindra's Height is $\dfrac{9}{10}$ of his elder brother.

$\textsf{\underline{\underline{To find :}}}$

Height of Ravindra's elder brother.

$\textsf{\underline{\underline{Solution :}}}$

Consider the Height of his brother as x

★ The Equation formed =

$\boxed{\sf{ \frac{9}{10} \: of \: x = 144}}$

$\sf{\implies} \: \dfrac{9}{10} \times x = 144$

$\sf{\implies} \: \dfrac{9x}{10} = 144$

$\sf{\implies} \: 9x = 144 \times 10$

$\sf{\implies} \: 9x = 1440$

$\sf{\implies} \: x = \dfrac{1440}{9}$

$\sf{\implies}\red{ \: x = 160}$

$\therefore$ The height of Ravindra's elder brother is 160 cm.