Question 987222
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M=Miles points; J=Jake's points
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M=3J+10
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M+J=62 Substitute for M
(3J+10)+J=62
4J=52
J=13
ANSWER 1: Jake Smith scored 13 points.
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M=3J+10
M=3(13)+10=39+10=49 
ANSWER 2: Miles Ahead scored 49 points.
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CHECK:
M+J=62
49+13=62
62=62