Hey man I’ve never seen nothing like this but I’d you’re doing math on ap classroom , man , GOOD LUCK
Answer:

Step-by-step explanation:
Multiply
.
Answer:
60
Step-by-step explanation:
After adding 88 red marbles, there are 50 blue marbles out of the 204 marbles total.
Let the number of blue marbles to be added be x.

Answer:
.55 difference or 11/20
Step-by-step explanation: hope this helps
(Don't know what the number line looks like)
Convert both to decimals, then subtract
The correct answer is two thirds