The idea is to subtract what you had, minus what you spent.
20 to 25 dollars are usually spent
He has 20.
roughly 20-30 miles worth of fuel
170
20% of 150 is 30
20 dollars
20 billion dollars
spent £11 and had £9 left
I spent 20 years in the RAF as a pilot, left in 1990 as squadron leader, and get about £12,000/year (still working!).
about 20 to 150 dollars.
20% as a decimal = 0.20 0.20 * 150 = 30 Therefore, 20% of 150 is 30.
20, as a percentage of 150 = 100*20/150 = 13.33...%