Answer:
He has 13 red marbles
Step-by-step explanation:
add 19 and 23
19+23=42
Subtract 42 from 55
55-42=13
Hey there!
Alex has 55 marbles. He has 19 green marbles and 23 blue how many red marbles does he have ?
Let's add the green marbles and blue marbles together.
[tex]19+23=42[/tex]
So now let's subtract 42 from 55.
[tex]55-42=13\\13(ANSWER)[/tex]
So now there is 13 left. That is your answer.
Hope this helps!
[tex]-TestedHyperr[/tex]
