Speed of trucks= x speed of trains =x-30 A loaded
Remember, ab+ac=a(b+c)
undistribute the 14
14(l)+14(3a)=14(l+3a)
D is answer
The answer is B when you subtract every like term
Answer:
Step-by-step explanation:
Lets find out first the Area of the rectangle building
A=50*100=5000 ft^2
we have 2 circles with the radius of 42 ft, r=21ft
Acircle=3.14*(21)^2=1384.74
Area of 2 circles=2*1384.74=2769.48
What is not covered by the rings is
5,000.00-2769.48=2230.52, rounded is 2231
Choice A
