Hello,
C(5,10)= 10!/(5!*(10-5)!)=36
So yes the board is wide enough. The are 10 decimeters in a meter.
What it is asking you to do in the example above is multiply 2.5/23.5 by 1.2 both top and bottom aka the numerator and denominator. This makes it easier to view and divide.
I didn't use this method I just looked at it but give it a try for your answer to B
Answer:8x+10y cannot be simplified
Step-by-step explanation: They have different variables.
Thes answer would be 51 or -51
The correct answer is 800 pounds