What number multiplied by 16 equals 8? Multiply 20 by that number.
16pearls/20opals = 8pearls/10 opals
Practice makes perfect
Let's pay close attention to the given rate.
16pearls/20opals=8pearls/opals
We need to find the number that we can multiply 16 by to get 8.
16* ? =8
We multiply 16 by 0.5 to get 8, so we will also multiply 20 by 0.5 to find an equivalent rate.