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DochEvi [55]
3 years ago
5

At a high school football game Jamie buys 6 hot dogs and 4 soft drinks for $13. Amy buys 3 hot dogs and 4 soft drinks for $8.50.

What is the price of a hot dog?
Mathematics
2 answers:
attashe74 [19]3 years ago
6 0

A hot dog is $1.50 by using

 6x+4y=13

-3x+4y=8.50

velikii [3]3 years ago
5 0
X=price of a hot dogy=price of a soft drinkWe can suggest the following system of equations:
6x+4y=133x+4y=8.50
We solve this system of equations by reduction method.  6x+4y=13-(3x+4y=8.5)------------------------   3x=4.5              ⇒x=4.5/3=1.5
Answer: the price of a hot dog will be $1.5.

If you want to know the price of a soft drink, you have to find "y".6x+4y=13
6(1.5)+4y=139+4y=134y=13-94y=4y=4/4y=1
The price of a soft drink is $1. 
Hope this helps! :)
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