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Jiimy20110
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Currently, Sam's coach is twice as old as Sam. When Sam started soccer 10 years ago, his coach was 3 times his age. How old is Sam now?
 2 years ago
 2 years ago
Jiimy20110 Group Title
Currently, Sam's coach is twice as old as Sam. When Sam started soccer 10 years ago, his coach was 3 times his age. How old is Sam now?
 2 years ago
 2 years ago

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goformit100 Group TitleBest ResponseYou've already chosen the best response.0
@satellite73
 2 years ago

Jiimy20110 Group TitleBest ResponseYou've already chosen the best response.0
dw:1350960568419:dw
 2 years ago

ChmE Group TitleBest ResponseYou've already chosen the best response.0
multiply 5 to both sides
 2 years ago

Jiimy20110 Group TitleBest ResponseYou've already chosen the best response.0
dw:1350960670105:dw
 2 years ago

ChmE Group TitleBest ResponseYou've already chosen the best response.0
c = 2s c10 = 3(s10) > c  10 = 3s  30 > c = 3s  20 2s = 3s  20 s = 20 c = 40 Wow that should not have been that hard for me. Sorry it took so long
 2 years ago

Jiimy20110 Group TitleBest ResponseYou've already chosen the best response.0
dw:1350960915774:dw
 2 years ago

ChmE Group TitleBest ResponseYou've already chosen the best response.0
Now he is twice sam's age. That is where the first equation came from. 10 years ago, so start with c  10 and s  10, the coach was 3 times sam's age. That is where the 3 comes from. I simplified then substituted in the 2s for c to solve for s. Then I knew c
 2 years ago

Jiimy20110 Group TitleBest ResponseYou've already chosen the best response.0
can you please solve the new problem on top
 2 years ago

ChmE Group TitleBest ResponseYou've already chosen the best response.0
y/2 + 5 = 12 y/2 + 5  5 = 12  5 y/2 = 7 2 * y/2 = 7 * 2 y = 14
 2 years ago

ChmE Group TitleBest ResponseYou've already chosen the best response.0
\[x=\frac{ x6 }{ 2 } =3\]\[2x=2\times \frac{ x6 }{ 2 } =3 \times 2\]\[2x=x6 =6\]Impossible, was there a typo in your original equation
 2 years ago

Jiimy20110 Group TitleBest ResponseYou've already chosen the best response.0
dw:1350961540644:dw
 2 years ago
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