I need help on this question I’m in the middle of a quiz please answer if you know the answer.

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Someone answer this check out the image!