Question

pls solve this urgently ​

Answer 1

Answer:

4 kg

Step-by-step explanation:

I don't know it's right or wrong but I think it's 4 kg

Answer 2

Answer:

80 kg divided in the ratio 7:3

total parts in which it is divided is 7+3=10

amount of A in 80 kg is 7/10 × 80kg= 56kg

amount of B in 80kg = 3/10 × 80kg = 24 kg

56/(24+x)=2/1 where x is the amount of B added to mixture

56/2= 24+ x

x= 28- 24= 4 kg