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(D) The ratio of royalties to sales for the first $Rs. 20$ million in sales is $\frac{3}{20} = 0.15$.The ratio of royalties to sales for the next $Rs.

Vedclass · Accepted Answer

$44.44$

Vedclass · Answer

(D) The ratio of royalties to sales for the first $Rs. 20$ million in sales is $\frac{3}{20} = 0.15$.The ratio of royalties to sales for the next $Rs. 108$ million in sales is $\frac{9}{108} = \frac{1}{12} \approx 0.0833$.The decrease in the ratio is $\frac{3}{20} - \frac{1}{12} = \frac{9 - 5}{60} = \frac{4}{60} = \frac{1}{15}$.The percent decrease is calculated by dividing the decrease by the original ratio and multiplying by $100$:$	ext{Percent decrease} = \left( \frac{\frac{1}{15}}{\frac{3}{20}} ight) 	imes 100 = \left( \frac{1}{15} 	imes \frac{20}{3} ight) 	imes 100 = \frac{20}{45} 	imes 100 = \frac{4}{9} 	imes 100 \approx 44.44 \%$.

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