The answer is 90 because 360/4 (since it is a quadrilateral) is 90 degrees
Answer:
13.5
Step-by-step explanation:
72/(16/3)
I say step 4 is incorrect.
Answer:
Step-by-step explanation: reduce mean divide so 400 divided by 4 =28
45% of 40 is 0.45×40=18 girls
if x girls join then 56% of 40+x is 0.56(40+x)=18+x
22.4+0.56x=18+x
put together like terms
4.4=0.44x
<span>x=10 girls joined</span>
