Question

The ratio of 15 kg to 20 kg___​

Answer 1

To find the ratios, both quantities should be in same unit

15kg to 210g

⇒ 15×1000g to 210g (∵ 1kg=1000g)

⇒ 15000g to 210g

$\sf \colorbox{lightpink}{{Thus, the ratio is}}$

$= \frac{15000}{210 } = \frac{500}{7}$

$⇒500 : 7$

❥ the above is the answer of your question

❥ hope that's helps you