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Question

$5.00 MAT 116 HELP

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ts27tx
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Q:

Can some explain to me how to work these?

 

 

Juan goes to a bank and gets change for a $50 bill consisting of all $5 bills and $1 bills. There are 22 bills in all. How many of each kind are there?

 

 

Retail Sales. Paint Town sold 45 paintbrushes, one
kind at $8.50 each and another at $9.75 each. In all,
$398.75 was taken in for the brushes. How many of
each kind were sold?

 

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$8.00
Help with Problems
  • This tutorial hasn't been purchased yet.
  • Posted on Jan 28, 2010 at 1:18:45PM
Posted by :
Flower06329
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A:
Preview: ... ment for ...
The full tutorial is about 6 words long plus attachments.

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Attachments:
MTH116 Help - ts27tx.doc (27K) (Preview)
 
$4.00
All done for you.
  • This tutorial hasn't been purchased yet.
  • Posted on Jan 28, 2010 at 1:20:54PM
Posted by :
karalius
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A:
Preview: ... have to solve the system: x+y=45 8.5*x+9.75*y=398.75  , where x the number of paintbrushes at $8.5 and y the number o ...
The full tutorial is about 86 words long .
 
$5.00
Answer on MAT 116 HELP
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  • Posted on Jan 28, 2010 at 1:29:31PM
Posted by :
tinkerputt
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A:
Preview: ... for Y:   X = 22 - Y  $5(X) + $1(Y) = $50          substitute Equation 2 to Equation 3   5(22 - Y) + 1Y = 50 4Y = 60 Y = 15 to get X use equation 2, substitute Y X = 35   Retail Sales. Paint Town sold 45 paintbrushes, one ki ...
The full tutorial is about 225 words long .