The coordinates of the following points represent the vertices of a rectangle. W: (3,3) X: (8,3) Y: (8,7) Z: (3,7) What is the p
erimeter, in units, of rectangle WXYZ?
2 answers:
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We can set up a proportion since we know the ratio between the # of purple marbles and the # of green marbles.
A ratio is a way to compare two different values: for every 8 purple marbles there are 5 green marbles
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One fifth is the same as 
and 15 is the same as 
So just times across,
×
Resulting in(1 x 15= 15, and 5 x 1= 5),
If you need/want to reduce it, divide both numbers by 5. Leaving you with the simplified answer of
or 3. Either answer works. :)
If you have any questions, just comment them down below :)
So just times across,
Resulting in(1 x 15= 15, and 5 x 1= 5),
If you need/want to reduce it, divide both numbers by 5. Leaving you with the simplified answer of
If you have any questions, just comment them down below :)