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the calorie cafe is known for their hotdogs and burgers. the number of calories in a burger is 220 more than the number of calories in a hotdog. the mega meal, which consists of 2 hotdogs and a burger, contains 1420 calories! how many calories are in each item?

Sagot :

Parrain

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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