<span>X+(X+1)=31
</span>x is the first number and the second number should be x+1, since they are consecutive
The answer would be 6.4% because you have to do 16% of 40 and it will give you 6.4 and as a percent it is 640%
He is wrong.
The 10 inch cube is bigger than the 5 inch cube by 5 cm in EACH DIRECTION.
So, the 10 inch cube should be twice as big in volume by a factor of 2*2*2
=8
Okay let's see.
5 cm cube volume = 5*5*5 = 125 cc
10 cm cube volume = 10 * 10 * 10 = 1,000 cc
1,000 / 125 = 8
3 buses x 42 = 126... So the final bus will carry 155-126=29 students.... Mental Math.
