Answer:30 girls 20 boys
Step-by-step explanation:10/15=2/3
b=20 g=? g=b/(2/3)=20/(2/3)=60/2=30
Answer:
C 70%
Step-by-step explanation:
It is 70% because you are see what is it all together and so its 70%
Step-by-step explanation:
you have to use this
u/v=u'×v-v'×u/v²
0×(1+cosy)-(-1×-siny)/(1+cosy)²
-siny/(1+cosy)²
hopefully its correct
6,900 times is the answer,also can i get brainliest