Answer:

Step-by-step explanation:
Given


Required
Determine the total number of markers
First, we need to determine the ratio of black to blue such that


Multiply the ratio by 5


By direct comparison:


The above shows that:

So:



Write these steps down
Positive times positive=positive
Negative times positive=negative
negative times negative= positive
when any two numbers that are negative it will always equal a positive.
Its a rule for math.
Answer:
step 1: 100
step 2: is 100
Step 3: 5,600
Step-by-step explanation: