2x + 3y = 40
+
-2x + 2y = 20
___________ Adding both equations
0x + 5y = 60
____________
5y = 60
y = 60/5 = 12
y = 12.
Since we have gotten y =12, and the only option with that is option D.
So we don't have to solve for x.
<span>The answer is D.</span>
D. S, the number of students at the school
Answer:
B
Step-by-step explanation:
because I am right
Answer:
12 ft
Step-by-step explanation:
Area = Length * Width
168 = 14 * W
168/14 = W
W = 12 ft
Answer:
5 times
Step-by-step explanation:
Because he enters through the front door.