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Let P be a point between points S and T on . If ST = 21, SP = 3b – 11, and PT = b + 4, solve for b.
ST = SP + PT 21 = (3b - 11) + (b + 4) 21 = 4b - 7 4b = 21 + 7 = 28 b = 7
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Asked 5/12/2014 7:06:25 AM
Updated 5/12/2014 8:22:27 PM
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ST = SP + PT
21 = (3b - 11) + (b + 4)
21 = 4b - 7
4b = 21 + 7 = 28
b = 7
Added 5/12/2014 8:22:27 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [5/12/2014 8:25:26 PM]
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The Smiths have two children. The sum of their ages is 23. The product of their ages is 132. How old are the children?
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Updated 5/18/2014 9:10:07 PM
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