Ok, l = lewa's backpack and a= alai's. :)
1/2a -5 = l.
so to solve,
1/2 (36) - 5 = l.
18 - 5 = l.
13 = l.
so Lewa's backpack weighs 13 pounds. Hope it helps!
Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
It is
because you should use
then just plug it in using
(1, 4) and (-2, -2).

That eliminates everything except the second one and the third.
So now we would find the b in the equation 

and that's all
Answer: m = -3
............................
Answer:bbdhajaiuw
Step-by-step explanation:huejrjthrb
If he made 25 percent profit, the selling price (1200 naira) is 125 percent.
If 125% is equal to 1200 naira
100 percent (the original) will be 100 × 1200 divided by 125
Which is 120000 ÷ 125
Therefore, the cost price is 960 naira