Answer:
acorns
Step-by-step explanation:
20x=9y
9/20 to 5/9
5/9 of the acorns collected are from Hannah
9/20 of the conkers collected are from Hannah
5/9 is larger than 9/20
Hannah collected more acorns
All you need is the double angle identity:

So we have

Apply the identity again to the squared term:

Answer:
390 seniors
Step-by-step explanation:
13/20=.65
600x .65=390
Answer:
It's not possible to answer the question with the information provided, you will need to post the ratios in the problem.
Step-by-step explanation:
Answer:
483
Step-by-step explanation:
840 minus 357 is 483