2 X
— • — Cross multiply
25 200
25x 400
—— —— Divide
25 25
16
Out of 200, 16 pencils will be defective
Answer:
10 water stations are needed
Step-by-step explanation:
To get the number of water- station needed, we simply divide the total length of the half marathon by the distance where we can find a water station
mathematically,
that would be 13.1 divided by 1 1/3
= 13.1 divided by 4/3
= 13.1 * 3/4 = 9.825 which is approximately 10
X-27=-1
x represents unknown number
The correct answer is number three, or number C however you like to state it
Answer:
z/6 +2=-18
z/6=-18-2
z/6=-20
z/6 *6=-20*6 we multiple both sides with 6 to remove 1/6 from z
z=-120