Question 804695: when your doing a problem and that u have the price of everything together but they asking for the price of just one of the objects how do u find it when they only give u the price of everything
Found 2 solutions by solver91311, richwmiller:
Answer by solver91311(24713)   (Show Source):
You can put this solution on YOUR website!
You aren't explaining this very well, but I'm guessing you mean that you have one of those problems where they say 6 pencils and 2 tablets cost some amount, and then 4 pencils and 3 tablets cost some other amount, then they want you to figure out the cost of one pencil and the cost of one tablet.
Let  represent the cost of one of the items,  represent the cost of the other item,  and  bet the two different numbers of item 1, and  and  be the two different numbers of item 2, and finally, let  be the cost of the first combination and  be the cost of the second combination. Then you can form two linear equations in two variables:
Using your given numbers, solve the 2X2 system for and
Oh, and if you would be so very kind, spell out "you" in the future. Save the cutesy teen-age text-speak for your friends and treat people trying to help you with a little more respect. Thank you.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
Answer by richwmiller(17219)  (Show Source):
You can put this solution on YOUR website! It is better to present the problem than try to describe it.
Let's say the problem is:
14 bikes cost $1050 what does one bike cost?
1050/14=75
Each bike costs $75
Total cost divided by number of items gives the cost of one item
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