The answer is 150 because
5*30
shortcut: 5*3=15
add the zero from the 50
150 is your answer..
70% of the people were adults
First you subtract 1500-450 = 1050
Then you divide 1050/1500 = .7
4 hours? i may be wrong
i did - 60 * 15
seems about right, since 50% would be 7.5 hours?
The last one because it can be traced like Jerome gets these cards from this place but others from a different place
