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Need help with math problem

 
 
Reply Mon 17 Mar, 2008 10:25 pm
I'm helping my 4th grader with this problem but can't seem to work it out. Please help!

At a concession stand, Luis bought a drink for $0.75, a hot dog for $1.25, and 3 bags of peanuts for $0.30 each. She received $2.10 in change. How much money did he start with?
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Type: Discussion • Score: 0 • Views: 1,276 • Replies: 14
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hingehead
 
  1  
Reply Mon 17 Mar, 2008 10:45 pm
let's see... complicated, but you could try:

0.75 + 1.25 + 0.30 + 0.30 + 0.30 + 2.10
0 Replies
 
PennyAroundTheWorld
 
  1  
Reply Mon 17 Mar, 2008 11:20 pm
Hinge, You are smarter than a 4th grader.

Some people arn't you know.
0 Replies
 
hingehead
 
  1  
Reply Mon 17 Mar, 2008 11:45 pm
Apologies for any offence caused. It's my little rule not to give the answer if you can show the calculation. Many people want to know how to get the answer as much as they want the answer - well I do anyway. We quite often get students asking their homework questions and I have apparently mistaken this for one of those. I'll just get back on my horse and ride west.
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mysteryman
 
  1  
Reply Tue 18 Mar, 2008 04:51 am
5 dollars
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contrex
 
  1  
Reply Tue 18 Mar, 2008 01:33 pm
Quote:
At a concession stand, Luis bought a drink for $0.75, a hot dog for $1.25, and 3 bags of peanuts for $0.30 each. She received $2.10 in change. How much money did he start with?


This is hard???

0.75
1.25
0.90 +
-------
2.90
-------

To get $2.10 in change for $2.90 worth of purchases, you have to offer $5.00
0 Replies
 
raprap
 
  1  
Reply Tue 18 Mar, 2008 08:08 pm
Were do you live that has no sales tax on soda pop?

Rap
0 Replies
 
hingehead
 
  1  
Reply Tue 18 Mar, 2008 09:23 pm
Besides, the question is 'what did he start with' he paid with a $5 bill but he might have had a million in small unmarked bills and a gold amex card.

Or the cashier might have been inumerate and given the wrong change.
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contrex
 
  1  
Reply Wed 19 Mar, 2008 01:18 am
Quote:
Or the cashier might have been inumerate and given the wrong change.


However if the cashier was not illiterate they would know that "innumerate" has two 'n's.

Very Happy
0 Replies
 
solipsister
 
  1  
Reply Wed 19 Mar, 2008 02:53 am
Re: Need help with math problem
Jeremiah wrote:
She received $2.10 in change. How much money did he start with?


The casual observer might/may notice that the question is inexplicable.
0 Replies
 
dadpad
 
  1  
Reply Wed 19 Mar, 2008 06:00 am
Re: Need help with math problem
solipsister wrote:
Jeremiah wrote:
She received $2.10 in change. How much money did he start with?


The casual observer might/may notice that the question is inexplicable.


That happens to me all the time when I'm out with the wife. I pay she gets the change.
0 Replies
 
hingehead
 
  1  
Reply Wed 19 Mar, 2008 04:18 pm
contrex wrote:
Quote:
Or the cashier might have been inumerate and given the wrong change.


However if the cashier was not illiterate they would know that "innumerate" has two 'n's.

Very Happy


And if they were paying attention they would have noticed that the change had already been given by two other cashiers!
Laughing Laughing
0 Replies
 
hingehead
 
  1  
Reply Wed 19 Mar, 2008 04:20 pm
Re: Need help with math problem
solipsister wrote:
Jeremiah wrote:
She received $2.10 in change. How much money did he start with?


The casual observer might/may notice that the question is inexplicable.


Don't foist your gender stereotypes on us you fascist - the purchaser might have been transsexual or a hermaphrodite with multiple personality disorder. :wink:
0 Replies
 
Vengoropatubus
 
  1  
Reply Wed 19 Mar, 2008 11:03 pm
Perhaps the woman payed for her sex change in cash, and was given his/her change afterwards when she was a he.
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pumpjockey
 
  1  
Reply Fri 28 Mar, 2008 08:50 am
This looks like a money laundering operation.Smile
0 Replies
 
 

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