24 divided by what number equals 8? Divide 21 by that number.
x=7
Practice makes perfect
Let's pay close attention to the given proportion.
21/24 = x/8
We need to find the number such that 24 divided by that number equals 8.
24 Ă· ? =8
We divide 24 by 3 to get 8, so we will also divide 21 by 3 to find the value of x.