One number is 25 more than a second number. The sum of these two numbers is 106. Find the numbers. p.s define the variable, and write and equation
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OpenStudy (zzr0ck3r):
let \(x\) be our first number and \(y\) our second
"One number is 25 more than a second number"
\[x=y+25\]
" The sum of these two numbers is 106."
\[x+y=106\]
Plug the first equation into the second equation for \(x\).
OpenStudy (madhu.mukherjee.946):
let the first no be x
OpenStudy (madhu.mukherjee.946):
then the second number is 25 +x
OpenStudy (madhu.mukherjee.946):
so,x+x+25=106
2x=81
x=81/2
OpenStudy (jakelee):
thanks to both of you for the help
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OpenStudy (madhu.mukherjee.946):
i think you should not consider the other number as y coz u see the statement ,the other number is 25 more than the second number so,it should be x+25
OpenStudy (madhu.mukherjee.946):
now you decide@jakelee
OpenStudy (jakelee):
oh okay thanks
OpenStudy (madhu.mukherjee.946):
your welcome
OpenStudy (triciaal):
both correct
use one step or use 2 steps
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OpenStudy (zzr0ck3r):
If you use the standard method you would name both variables
\(x=y+25\)
and
\(x+y=106\)
Plug in for \(x\)
\((y+25)+y=106\)
You will get the same answer...