Answer:
d
Step-by-step explanation:
Subtract 20 from 40 then divide by 10
C=2
The larger box is 5x bigger than the smaller one.
I use a website called desmos.com when I need to graph a function. Heres a picture of what it should look like.
9514 1404 393
Answer:
x = 4
Step-by-step explanation:
Divide by 2, subtract 8 ...
2(4/x +8) = 18
4/x +8 = 9
4/x = 1
4 = x . . . . . multiply by x