This is pretty hard. Im thinking species of animals?
So yuo simplyfly
15:20=3:4
6:8=3:4
8:12=2:3
9:12=3:4
so your answer is not c
Answer to the first question: 24
Answer to the second question: 2 coupons each
Answer:
Option 4: 12.7
Step-by-step explanation:
You can look at the diagram as two 45º45º90º triangles.
By the properties of a 45º45º90º triangle:
OW=WL=a
OL=a√2
a√2 = 18
a=18/√2a≈12.728
I am not sure but... sixty three, 63.0, 630%, and 630/100, (I am sorry if I am wrong).