Probability
Percent (1)
Percent (2)
100
Probability of rolling a 3 with a dice
1/6
100
15% in decimal
15%=15/100=0.15
100
0.05 in percent
0.05xx100%=5%
200
Probability of rolling a 4 twice with a dice
1/6xx1/6=1/36
200
2.4% in decimal
2.4/100=0.024
200
1/5 in percent
1/5=0.20=0.20xx100%=20%
300
List all the outcomes of spinning twice
BB,BR,BY, RB,RR,RY, YB,YR,YY
300
25% of 10
25/100xx10/1=25/10xx1/1=2.5
300
Percent change from 4 to 5
(5-4)/4=1/4=0.25=25%
400
Probability of rolling a dice twice with a sum of 9
4/36=1/9
400
Price of a $150 dress after 10% off
10/100xx150/1=1/10xx150/1=15, 150-15=135
400
Cost of $80 meal with 25% tip
25/100xx80/1=25/10xx8/1=200/10=20, 80+20=100
500
Probability of selecting 2 green marbles without replacement from 3 blue, 4 red, and 5 green marbles
5/12xx4/11=5/3xx1/11=5/33
500
Cost of a $30000 car after a 10.5% tax
10.5/100xx30000/1=10.5/1xx300/1=3150, 30000+3150=33150
500
Percent change from 5 to 2
(2-5)/5=-3/5=-0.60=-60%