Answer:
x = 27
Step-by-step explanation:
39/26 = x /18
cross multiply
26x = (39)(18)
26x = 702
x = 27
A. 176 because if there are 252 total and 76 on the balcony your answer is 252-76.
Find the number of full ones by subtracting empty from total:
50 - 23 = 27 full
The ratio of empty to full is written as empty: full
Ratio = 23:27
Boys:12 girls:13 the average class has about 20 students 12 + 13 equals 25
