3

9 is 45% of 20

9/x = 45/100

45x = 900

x = 20

Added 6/8/2014 5:08:06 PM

This answer has been confirmed as correct and helpful.

3

14% = 7/50 = 0.14

14/100 = 7/50; GCF is 2

Added 6/8/2014 5:08:23 PM

This answer has been confirmed as correct and helpful.

3

90% of 30 is 27

27/30 = x/100

30x = 2700

x = 90

Added 6/8/2014 5:08:44 PM

This answer has been confirmed as correct and helpful.

3

13.5 is 15% of 90

13.5/x = 15/100

15x = 1350

x = 90

Added 6/8/2014 5:09:07 PM

This answer has been confirmed as correct and helpful.

3

0.46 = 23/50 = 46%

46/100 = 23/50; GCF is 2

Added 6/8/2014 5:09:27 PM

This answer has been confirmed as correct and helpful.