1. 810 is larger than 15, so she must have been working longer than 40 hours.
Overtime hours:
(810-15*40)\17.5=12 hours
2. So you think you can dance:300*20%=60
Biggest loser:
300-177-60-63=0
Choose C
3. 14\1.75=0.125kg=125g
Choose A
4.First question: Thursday
Second question: 200*40%=80
6. 0.5\0.0000001=5000000=50*100000
Choose D
7. 50\5=10 it has doubled 10 times
Choose D
8.The room 3*7=21m^2
Because one square meter need 4 newspapers to cover
So, 21*4=84
9.one-quarter is 1/4, one-half is 1/2
1/2 = 2/4.
Halfway is 1.5/4=3/8
10.Because Anne stand in the halfway, the distance between Anna and Jane is as long as the distance between Anne and John
2.9-1.8=1.1
John’s position: 2.9+1.1=4
