Question #6d8c3

2 Answers
Feb 11, 2018

20%

Explanation:

One solution: 4 " is " 1/5 " of " 20 (number of students)

rarr 1/5 = 20 %

Another solution: 20/100= 0.2, and 0.2 " is " 1%

(total number of students divided by 100= 1 %)

4/0.2=20,

(we divided 4 by the number of students and we have a result)

Feb 11, 2018

20%

Explanation:

To find out what percent one number is of another:

  • first write it as a fraction.
    We have 4 students out of 20 students ... rarr 4/20

  • To calculate as a %:
    "fraction" xx 100%

4/20 xx100%

=20%

Note that 4/20 = 1/5

1/5 xx 100 = 20