30% = 5.3 billion pounds. So 5.3 billion is 30% of the total consumption..
Mable received £155 out of £410.
Hope this helps.
The answer is 120 + 45 + 165= 330
If I am wrong I do greatly apologize
Yes, because if you divide 4 and 3 by 2, you get 2 and 1.5