Answer:
When simplified they all are 1/5
So yes they are proportional
Answer:
140
Step-by-step explanation:
here,
You have 1050
now
$1050(45×6)
=140 items
Let d(x) = 2x - 4
Or
y = 2x - 4
We have replace x = y
x = 2y - 4
Now Isolate "y"
x + 4 = 2y
Pass "2" dividing
(x + 4) / 2 = y
y = x/2 + 2
Or
d(x)^-1 = x/2 + 2