Hey there! The answer is 30 hours!
Work: 500 - 200 = 300
15 x 20 = 300
200 + 300 = 500
If half the girls wear glasses, then 8/2 or 4 girls wear glasses.
The whole class is 8+6 or 14 kids.
The probability is the number of girls wearing glasses over the total people in the whole class.
Number of girls wearing glasses/ T<span>otal people in class
</span>
4/14
Simplify= 2/7
Hope this helps :)
Answer:
The ratios is 10:12 and if you were to write it in a fraction you get 10/12 which is simplified as 5/6
Step-by-step explanation:
40 flights if you're asking how many flights happen in 1 hour.