Answer:
the answer is 45
Step-by-step explanation:
every triangle has to add up to 180 so 25 + 45 is 70 and 70 + 110 is 180
The ratio is 10 to 18, therefore 10 * nr of students = 18 * nr of girls.
So the number of girls = nr of students * 10 / 18 which is indeed 150.
Answer:
I am pretty sure the answer is 324 or 300