In 1kg of mixture of sand and iron,20% is iron. How much sand should be added to that so the proportion of iron become 10% select one:a. 200gmsb. 1.8gmsc. 1kgd. 800gms

In 1kg of mixture of sand and iron,20% is iron. How much sand should b

1.	In 1kg of mixture of sand and iron,20% is iron. How much sand should be added to that so the proportion of iron become 10% select one:a. 200gmsb. 1.8gmsc. 1kgd. 800gms
Answer» $hey$ $here \: is \: ur \: answer$ ↪↪200mgs ↩↩ ✔✌✔