Question

find the ratio of 7km to 9oom​

Answer 1

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Let 1 km =1000m

so 7km =7000

$= \frac{ \cancel {7000} \: \: \: {}^{4} }{ \cancel{{900} }^{4}} = \frac{1750}{225}$

$= \cancel{\frac{ 350} {45} } \: \: {}^{5} = \frac{70}{9}$

$70 \ratio \: 9$