46 i think. sorry if i’m wrong
Answer:
This is matter of ratio!
42/150 = x/120. It's 33.6 grams :D
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A perimeter of a rectangle is:

They give you the width, but let's convert it to an improper fraction first:

The length is twice the width so it is:

Now, we are ready to solve, plug in values in the perimeter formula:

So, 40 is your answer.
Answer:
1/8x ... -1 would be the y intercept so 1/8x is the slope