medal+fan if you help meh
Sharon is the youngest in her family. Her sister Anne is 3 years older than she is. Her brother Tom is 5 years older than Anne. The sum of their ages is 62.
How old is Sharon?
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OpenStudy (anonymous):
\((s)+(s+3)+(s+3+5)=62\)
OpenStudy (anonymous):
let x = Sharon's age
Anne = x + 3
Tom = x + 5
equation: x + x + 3 + x + 5 = 62
OpenStudy (rebeccapink6398):
i was thinking mayeb she is 8
OpenStudy (anonymous):
that get u
\(3s+11=62\)
OpenStudy (anonymous):
Can you solve the equation from there?
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OpenStudy (anonymous):
solve that u can get the answer
OpenStudy (rebeccapink6398):
i dont get what you said molly
OpenStudy (anonymous):
if u put what i said and what he said together it'll make more sense
OpenStudy (anonymous):
i just simplified his equation that's all
OpenStudy (rebeccapink6398):
i just don't understand how to even get the answers from your guys equation
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OpenStudy (anonymous):
oh u see...
if you mix around the numbers...
x+x+x+3+3+5 right?
OpenStudy (anonymous):
x+x+x=3x right?
3+3+5=11 yes?
OpenStudy (anonymous):
so it gives you 3x+11 light?
OpenStudy (rebeccapink6398):
what gives you 3x? like where did you get the second 3 from!?
OpenStudy (anonymous):
oh.... 3x means there are three x'es
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OpenStudy (anonymous):
that's where the 3 came from
OpenStudy (rebeccapink6398):
so 3 times the peoples ages then plus 11? and then take away 62?
OpenStudy (anonymous):
also written as \(3\times x\)
OpenStudy (anonymous):
no. 3x+11 is supposed to be equal to 62.
OpenStudy (anonymous):
62 is the sum of their ages
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OpenStudy (rebeccapink6398):
so its 3*saras age,toms age,annes age? and then plus 11. where di you get the 11 from?
OpenStudy (anonymous):
got it?
OpenStudy (anonymous):
ok u see....
let's say sara's age is s.
anne's age is 3 more than sara's so it's s+3
OpenStudy (anonymous):
do you get this part?
OpenStudy (anonymous):
and tom is 5 years older than anne, who is 3 years older than sara, so that gives you s+3+5. yes?
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OpenStudy (rebeccapink6398):
yes
OpenStudy (anonymous):
so all of them adds up to 62. so that gives you s+s+3+s+3+5=62. do you get that part?
OpenStudy (anonymous):
(s)+(s+3)+(s+3+5)
sara+anne+ tom
OpenStudy (anonymous):
yes?
OpenStudy (rebeccapink6398):
ok
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OpenStudy (anonymous):
and so that gives you 3s+11 as i said...
OpenStudy (anonymous):
do you get that part?
OpenStudy (rebeccapink6398):
yes :)
OpenStudy (anonymous):
3s+11=62
OpenStudy (anonymous):
no now it's just an equation for you to solve.
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OpenStudy (anonymous):
so*
OpenStudy (anonymous):
do you know how to solve that eq
OpenStudy (anonymous):
finding the x?
OpenStudy (rebeccapink6398):
no i still dont get it DX
OpenStudy (rebeccapink6398):
wait when you say 3s it means 3 times s. you know that right? :)
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