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serg [7]
3 years ago
11

Someone help with #1

Mathematics
2 answers:
Drupady [299]3 years ago
6 0
My answer was wrong, please delete this
snow_lady [41]3 years ago
4 0
Ok, first we set up 2 equations with the given info
let chips = c & pretzels = p

5c + 9p = 16.95
10c + 10p = 22.50

next we solve for a single variable in one of the equations (I chose the first one)
c =  \frac{16.95 - 9p}{5}

now plug it into our second equation
33.90 - 18p + 10p = 22.50
simplify
11.40 = 8p
divide
1.425 = p

next plug p back into our first equation
5c + 9(1.425) = 16.95
5c = 4.125
c = .825

Chips cost = $0.825
Pretzels cost = $1.425



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