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300 hotdogs and hamburgers total costing $780. Hotdogs cost $2. Hamburgers cost $3. How many hamburgers? How many hotdogs?
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4 votes
300 hotdogs and hamburgers total costing $780. Hotdogs cost $2. Hamburgers cost $3. How many hamburgers? How many hotdogs?

User Doubts
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2 Answers

6 votes
180 hamburgers 120 hotdogs
300 hotdogs and hamburgers total costing $780. Hotdogs cost $2. Hamburgers cost $3. How-example-1
User Ziya
by
3.5k points
12 votes
x: Hotdogs
y: Hamburgers

(1) x + y = 300
(2) 2*x + 3*y = 780

By solving the system above:

x = 120, y = 180

Hence,

120 Hotdogs
180 Hamburgers
User Gerhard Powell
by
3.1k points
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