So for this problem, you have to cross multiply, numerator to denominator.
11 * 2x = 2x+5 * 12
22x = 12(2x+5)
22x = 24x+60
-24x -24x
-2x = 60
Divide both sides by -2
X = -30
Answer:
253
Step-by-step explanation:
to get the answer you would do 275 X 0.08 then subtract the number you get by 275.
Laid bricks in 2 hours = 42
laid bricks in a hour = 42/2
= 21
so rate is 21 bricks / hour
Answer:
APC is 90 degrees
Step-by-step explanation:
When lines intersect and are perpendicular. that means the angle of intersection is 90 degrees.
APC is 90 degrees