Twenty percent of the students at Drew's school walk to school. There are 300 students in Drew's school. How many students walk to school?

20% of 300 equals 60

step 1: write the percent s a fraction

20%=20 for every 100 = 20/100

step 2: write an equation of two equivalent ratios

the first ratio is given percent written as a fraction: 20/100

the second ratio is the number of students who walk to the total number of students at drews school. the number of students who walk is unknown. the total number is 300