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nata0808 [166]
2 years ago
5

@mehek14

Mathematics
2 answers:
gayaneshka [121]2 years ago
8 0
X=cost per hamburgurs
y=cost per hot dog

200x+150y=1450
200x+250y=1750

we can multiply first equation by -1 and add to 2nd

-200x-150y=-1450
<u>200x+250y=1750 +</u>
0x+100y=300

100y=300
divide both sides by 100
y=3

sub back

200x+150y=1450
200x+150(3)=1450
200x+450=1450
minus 450 both sides
200x=1000
divide both sides by 200
x=5


the cost of a hamburgur is $5
the cost of a hot dog is $3
leonid [27]2 years ago
6 0
The cost of a hamburger is $5 dollars and a hot dog is $3 dollars.



Hope I helped you!
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