How do you solve the proportion #2/5=x/100#?
1 Answer
Dec 13, 2016
Explanation:
One way to do this is to multiply the first fraction by
#2/5 * 20/20 = (2 * 20)/(5 * 20) = 40/100#
Now you have
#40/100 = x/100#
Two fractions that have the same denominator are equal if their numerators are equal, so
#40 = x#
