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