Question

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Answer 1

Answer:

Step-by-step explanation:

i) 24*60 = 1440min

(30/1440)*100 =  2(12/144) = 2(1/12)%

ii) 16(2/3)%

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Answer 2

Step-by-step explanation:

Question no.1

let the percent be x%

$\implies$ x% of day = half hour

$\implies$ ${\Large\frac{x}{100}}×24=\Large\frac{1}{2}$

$\implies$ $\Large\frac{6x}{25}=\Large\frac{1}{2}$

$\implies$ $x=\Large\frac{1×25}{2×6}$

$\implies$ $\large\boxed{2{\large\frac{1}{12}}percent}$

Question 2.

let the percent be x%

$\implies$ ${\Large\frac{x}{100}}×{\Large\frac{9}{2}}=\Large\frac{3}{4}$

$\implies$ ${\Large\frac{9x}{200}}=\Large\frac{3}{4}$

$\implies$ $x={\Large\frac{3×200}{4×9}}$

$\implies$ $\large\boxed{16{\large\frac{2}{3}}percent}$

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