Video Transcript
Divide 48 kilograms in the ratio
two to one.
One way we have to answer this
question is sometimes called the add-divide-multiply method. Let’s recall the steps that we
take. The first thing we do is establish
how many parts we have by adding the numbers in our ratio. Well, we’re sharing in a ratio of
two to one. So we add two and one to give us
three. That tells us that we’re dividing
our original amount into three parts.
Next, we do that division. We divide the original amount by
this total. In this case, that’s 48 divided by
three, which is equal to 16. That tells us what one part is
worth. So here we see that one part is
worth 16 kilograms.
Finally, we take this number and we
multiply it by each bit in our ratio. Well, the first bit of our ratio is
two. Two times 16 is 32. So when we share 48 kilograms in
the ratio of two to one, our first bit is 32 kilograms.
Now, of course, the second bit is
simply one part. So we don’t really need to do this
multiplication. But we will for completion. One times 16 is 16, remembering of
course that order matters. So we need to list the largest
value first. We see that when we share 48
kilograms in the ratio two to one, we get 32 kilograms and 16 kilograms.
