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momoswag
 2 years ago
Currently, Sam's coach is three times older than Sam. When Sam started soccer 5 years ago, his coach was five times his age. How old is Sam now?
15
10
7
5
momoswag
 2 years ago
Currently, Sam's coach is three times older than Sam. When Sam started soccer 5 years ago, his coach was five times his age. How old is Sam now? 15 10 7 5

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vipul92
 2 years ago
Best ResponseYou've already chosen the best response.1if sam is now x then his coach x+3 before 5 year sam x5 and its coach=5(x5) so 5(x5)=x+35 4x=23 x=23/4

robtobey
 2 years ago
Best ResponseYou've already chosen the best response.1Solve the following for coach and Sam:\[{coach = 3 Sam, coach  5 = 5 (Sam  5)}\]

robtobey
 2 years ago
Best ResponseYou've already chosen the best response.1\[\{\text{coach}\to 30,\text{Sam}\to 10\} \]

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0s  Sam 3s  Coach\[\rm 5(s  5) = 3s  5\]

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0@robtobey Top tip: use \rm to turn the text into text and still be able to use other \(\rm \LaTeX\) commands. See this one:\[\rm \{coach\rightarrow 30,Sam\rightarrow 10\}\]

robtobey
 2 years ago
Best ResponseYou've already chosen the best response.1@ParthKohli Used Mathematica to do the calculation. This program returns answers as replacement rules. Normally I copy and paste out the right arrows with "=" signs by hand. Sorry about that.
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