4 pencils
12 markers
24 crayons.
What is the ratio of pencils to all items on Gary's desk?
Responses
1:3
1:9
1:6
1:10
The total number of items on Gary's desk is 4+12+24=40. Therefore, the ratio of pencils to all items on Gary's desk is 4:40, which simplifies to 1:10.
So the answer is: 1:10.