Answer:
400 calories in one Big Buger
Explanation:
350 calories per egg sandwhich
X calories per burger
5250 calories total
7 days in a week
![5250-(350*7)=2800](https://img.qammunity.org/2021/formulas/mathematics/middle-school/4p98bj65c2cjuqawmin7fz6ys3afe252aj.png)
2800 calories total for the burgers
2800 divided by 7, as he ate 7 total burgers
![2800/7=400](https://img.qammunity.org/2021/formulas/mathematics/middle-school/960fid2huhy1wtkh5i6atk3dcvmc1tj8wv.png)
400 calories per burger
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