Question

find the ratio of 15m to 5 km​

Answer 1

Answer:

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Answer 2

Answer:

3 : 1000

Step-by-step explanation:

Convert both values into same units

1 km = 1000m

5km = 5 × 1000m = 5000m

Ratio of 15m to 5km = Ratio of 15m to 5000m

$\rm\implies \dfrac{15m}{5000m}$

$\rm\implies \dfrac{3m}{1000m}$

$\rm\implies \: 3:1000$

The ratio of 15m to 5km is 1 : 1000

Note:

Ratio helps in comparing quantities. We could only compare quantities with their numerical value if they have same units. like if we are comparing 5kg to 6gm, then we first need to convert either 5kg to grams or 6gm to kg, we could also use other units like mg, dg etc.