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Sagot :
Answer:
- Number of calories in burger = 620 calories
- Number of calories in hotdog = 400 calories
Step-by-step explanation:
Number of calories in burger = x
Number of calories in hotdog = y
y = x - 220
x + 2y = 1,420
Substitution:
x + 2 * (x - 220) = 1,420
x + 2x - 440 = 1,420
3x = 1,420 + 440
x = 1,860 / 3
x = 620 calories
y = x - 220
= 620 - 220
= 400 calories
The calories in each item are :
- Number of calories in burger = 620 calories
- Number of calories in hotdog = 400 calories
"Calorie cafe"
Number of calories in burger = x
Number of calories in hotdog = y
Equations:
y = x - 220--------------1
x + 2y = 1,420----------2
Substitution:
- x + 2 * (x - 220) = 1,420
- x + 2x - 440 = 1,420
- 3x = 1,420 + 440
- x = 1,860 / 3
- x = 620 calories
Putting Value of x in equation 1.
- y = x - 220
- y = 620 - 220
- y = 400 calories
Therefore, the calories in each item are the number of calories in burger is 620 calories and number of calories in hotdog is 400 calories.
Learn more about "Simultaneous equation":
https://brainly.com/question/16763389?referrer=searchResults
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