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Question 632683: Good day! please help me with this one:
Points P, Q, R and S are arranged in that order on a line so that PQ=3 and QR=2RS, what is the ratio of QS to PS?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Points P, Q, R and S are arranged in that order on a line so that PQ=3 and QR=2RS, what is the ratio of QS to PS?
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Draw a number line.
Let P be a 0
Then Q is at 3
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Let QR be 2, so R is at 5
Then RS = 1, so S is at 6
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QS:PS = 3:6 = 1:2
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Cheers,
Stan H.
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