Melanie’s monthly pay is $5553.60. Each month she uses 2/3 of her pay for household expenses and 1/10 for donations. She deposits the rest into her savings account.
How much does Melanie deposit into her savings account each month?
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OpenStudy (anonymous):
@AriPotta
OpenStudy (aripotta):
so you need to make 2/3 and 1/10 have the same denominator
OpenStudy (anonymous):
23/30?
OpenStudy (smored):
find\[\frac{ 2 }{ 3 }+\frac{ 1 }{ 10 }\]
OpenStudy (aripotta):
oh yes, 23/30 is what she paid for expenses and donations. so 1 - 23/30 or 30/30 - 23/30 should be what's left over
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OpenStudy (anonymous):
so 7/1 or 7?
OpenStudy (aripotta):
30/30 - 23/30 = 7/30
OpenStudy (aripotta):
then you can multiply 7/30 and 5553.60 to get what was put into her savings
OpenStudy (anonymous):
.23*5553.60= 1277.328=1277.33
OpenStudy (aripotta):
it's not .23
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OpenStudy (aripotta):
wait, sorry. you wanna do it in the calculator first tho to get a more exact answer. i got 1295.84
OpenStudy (aripotta):
don't round it tho, just keep it in your calculator and multiply from there
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
I did it the way you told me and got the same thing
OpenStudy (aripotta):
so type in:
7
/
30
=
x
5553.60
=
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