Answer:
The answer is D 1, your welcome
There are 436 hundreds in 43617.
You can find this by dividing 43617 by 100 and rounding down to the nearest whole number (note: with this method, you have to round down).
Hope this helps :)
x/20 = 21/14 (similar proportions)
x/20 = 3/2 (simplify by canceling out a factor of 7)
x = 30
3+4=7
7 x 8=56
There will be 56 airplanes :)Hope this helped!
B. 21,730 is not greater than 22,341.