Question

what is the ratio of 2 cm to 5 mm​

Answer 1

Answer:

20mm/5mm

4:1

Step-by-step explanation:

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Answer 2

Answer:

$\bf \red{2cm \: to \: 5mm}$

$\bf \pink{1mm = 0.1cm}$

$\bf \blue{5mm = 0.1 \times 5 \: = 0.5cm}$

$\bf \red{2cm \: to \: 0.5cm}$

$\bf \purple{2.0cm \: to \: 0.5cm}$

$\bf \orange{ \frac{0.2}{0.5} = \frac{2}{10} \times \frac{5}{10}}$

$\bf \green{ \cancel{ \frac{2}{10}}} \bf \green{ = \frac{1}{5} \ \: ,} \bf \green{ \cancel{ \frac{5}{10}}} \bf \green{ = \frac{1}{2}}$

$\bf \gray{ \frac{1}{5} \times \frac{1}{2} \: = \frac{1}{10} = 1:10}$