Question

the ratio of 20km to 100km is​

Answer 1

ratio=20/100

1/5

1:5 this is the ratio answer of given question

Answer 2

Answer:

$\red { Ratio \:of \: 20km \:to \:100km }\green {= 1 : 5 }$

Step-by-step explanation:

$Ratio \:of \: 20\:km \: to \: 100\:km \\= \frac{ 20\:km }{100\:km }\\= \frac{20}{20\times 5}\\= \frac{1}{5} \\= 1 : 5$

Therefore.,

$\red { Ratio \: of \: 20\:km \:to \:100\:km}\green { = 1 : 5 }$

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