Alright, so in this you're going to want to set the ratios equal as follows:
2/12 = x/18
Therefore by cross-multiplying:
2*18 = 12x
36=12x
36/12=x
x=3
Answer:
Step-by-step explanation:
Let
x------> cups of raisins originally in the box
we know that
The original quantity is equal to the quantity that is left plus the quantity used
so
Convert mixed number to an improper fraction
substitute
The perimeter is the sum of the lengths of the three sides.
To find the perimeter, you need to find the lengths of the three sides.
For each side, you are given the points at the two ends.You need to find the distance between those two points.
Once you have all thee distances, add them up.
That's how.
No sorry but i hope someone else can yayayay
It can work well here to simplify inside parentheses first.
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