QUICK QUICK I NEED YOUR ANSWER FAST! 1 MINUTE ONLY! WITH AN EXPLANATION PLEASE! THEN YOU WILL BE THE BRAINLIEST!

A bag is filled with small and large marbles. The ratio of small to large marbles is 1:3. On your own sheet of paper, draw a tape diagram to represent this situation.

If there are eight more large marbles than small marbles, how many total marbles are in the bag?