Question

The ratio of coins to notes in a bag is 3 to 8. If there are a total of 24 coins then how many notes are there? 

Answer 1

Set up a proportion 
3 coins:8 notes and then the other one 24 coins : x (unknown notes)
they have a relationship so we can set them equal to each other.
3/8=24/x cross multiply: 8 * 24 = 192
Now divide that by 3: 192/3 = 64 
So there are 64 notes in the bag

Answer 2

There are 64 notes in the bag

We have given that,The ratio of coins to notes in a bag is 3 to 8.

First we have set up a proportion.

What is the meaning o ratio ?

The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.

3 coins:8 notes and then the other one 24 coins : x (unknown notes)

They have a relationship so we can set them equal to each other.

$3/8=24/x$

$3x=8*24$

Since...$8 * 24 = 192$

We have  isolate x  therefore divide that by 3,

$x=192/3 = 64\\x=64$ 

Therefore ,there are 64 notes in the bag

To learn more about ratio visit:

https://brainly.com/question/25927869