There are 18 girls in the class and 6 boys.
The answer is 180.
12 times 15 equals 180
18 times 10 equals 180
20 times 9 equals 180
26.25$ you simply multiply 3 time 7.50 to get 22.5, you then divide 7.50 by 2 to get 3.75 once you add those together you get 26.25$
Answer:
30°
Step-by-step explanation:
Since a straight line is 180°, you have to subtract 180 by 150. This will give you 30