Answer:
Step-by-step explanation:
Hey, I'm not sure if I am right, but I hope it can create a spark or something.
8. Find x
10x - 1 = 14x - 37 Combine like terms
+37 +37
10x + 36 = 14x Combine like terms
-10x -10x
36 = 4x Divide to isolate x
<u>36</u> = <u>4x</u>
4 4
9 = x
You can also do this method with the others.
PS: I am still not sure if this is the right method, lol. I just really want to help.
A) Let C = Total cost
C = 1.085
b/c) - you need the price of the product you are buying
<span>15x+12=45+4x </span>⇒15x - 4x = 45 - 12 ⇒ 11x = 33 ⇒ x = 3
5/6 of 240 is doing 240 divided by 6 which is 40 and times by 5 which is 200 so 200 magazines were sold
