Answer:
Good job
Step-by-step explanation:
30 students could of been taking both courses and 60 with no course
2.15 + 2.5 = 2.65
2.65 + 3.85 = 6.40
If it is 0.5
6.40 + 0.5 = 0.9
If you meant 0.05
6.40 + 0.05 = 6.45
If you meant 5 (as in the whole number)
6.40 + 5 = 11.40
hope this helps
Answer:
its correct
Step-by-step explanation:
