Examples:

1) What is 35% of 90?

2) 20 is 75% of what number?

3) What percent of 90 is 50?

convertion:

converting percent into decimal:

-divide the percent to 100.

examples:

*20/100 --20 divided by 100=0.2

*65/100 --65 divided by 100=0.65

*15/100 ==15 divided by 100=0.15

converting percent to fraction:

-use the percent as the denominator.

examples:

*20% -- 20/100

*65% -- 65/100

*15% -- 15/100

converting percent into ratio:

-divide the percent to 100.

-multiply the decimal to 100.

-convert it into fraction

-convert it into ratio

examples:

*20% -- 20 divided by 100=0.2

0.2 x 100=20

20/100

20:80

*65% -- 65 divided by 100=0.65

0.65 x 100=65

65/100

65:35

*15% -- 15 divided by 100=0.15

0.15 x 100=15

15/100

15:85

more about percent: http://817math.blogspot.com/2006/12/question-1-what-is-good-definition-of.html

Questions: 

1) How much is 35% of $275?

2) Janice has a 65% free-throw shooting percentage. if she takes 40 shots, how many times would she be expected to be succesful?

3) What is 65% of 120?

answers (percent):