00:02
Okay, one of the things we need to understand to do this problem is the difference between part -to -part information and part -to -whole information.
00:11
So when you're given a ratio, it's part -to -part.
00:13
So the ratio of a to b is two to three, means you have two parts a and three parts b.
00:18
But let's convert that to part -to -whole.
00:21
So for the amount of a, we have two -fifths of the entire solution, and three -fifths of b.
00:31
And then for solution y, because the ratio is 1 to 2, we have 1 part a to 2 parts b.
00:37
That means 1 third of it is a.
00:40
Two thirds of it is b.
00:42
Okay.
00:43
And then for the final solution, which we know has a total of 630 ounces, the ratio of solution x to solution y is 3 to 11.
00:51
That means three parts of it is x and 11 parts of it is y.
00:55
That means the amount that's x is 314th, excuse me.
01:02
And the amount that's y is 11 .14th.
01:08
Okay...