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faltersainse [42]
3 years ago
15

Tony is in charge of the concession stand. he charges $4.00 for two hot dogs and two sodas. he charges $4.50 for three hot dogs

and one soda. how much does tony charge per hot dog? how much per soda? -$1.00 per hotdog;$0.50 per soda -$1.25 per hotdog;$0.75 per soda -$1.50 per hotdog;$0.75 per soda -$2.00 per hotdog; $1.00 per soda
Mathematics
2 answers:
OverLord2011 [107]3 years ago
4 0

Answer:

\$1.25 per hot dog and \$0.75 per soda

Step-by-step explanation:

Let

x------> the charge per hot dog

y-----> the charge per soda

we know that

2x+2y=4 ------> equation A

3x+y=4.50 ------> equation B

Multiply by -2 equation B

-2(3x+y)=-2*4.50

-6x-2y=-9 ------> equation C

Adds equation A and equation C

2x+2y=4\\-6x-2y=-9\\---------\\ 2x-6x=4-9\\-4x=-5\\x= \$1.25

Find the value of y

3x+y=4.50

3(1.25)+y=4.50

y=4.50-3.75=\$0.75

therefore

\$1.25 per hot dog and \$0.75 per soda

lesya [120]3 years ago
3 0
I dont get it at all  ithink you need to take this part out <span>-$1.00 per hotdog;$0.50 per soda -$1.25 per hotdog;$0.75 per soda -$1.50 per hotdog;$0.75 per soda -$2.00 per hotdog; $1.00 per soda</span>
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