Start by writing a rate using the given information.
80 %
Practice makes perfect
We are asked to write the given ratio as percent.
4/5of the students ride a bus
Let's try to write 4 5 as an equivalent fraction with a denominator of 100.
4/5=x/100
Notice that we can get an equivalent fraction with a denominator of 100 by multiplying the numerator and denominator of 45 by 20.
We found that 45 and 80100 are equivalent fractions. Finally, we can write the fraction with a denominator of 100 as a percent by looking at the numerator and adding a percent symbol.
45= 80/100= 80 %
We wrote the ratio of students who ride the bus as a percent!
