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Semmy [17]
3 years ago
12

I tried to use photo-math but it wasn't correct, please help.​

Mathematics
1 answer:
AleksAgata [21]3 years ago
4 0

You burn 265 calories running and then 7 calories per minute swimming.  

Your friend burns 273 calories running and then 11 calories per minute swimming.  

Let us assume that both of you swim for x minutes.  

Calories burnt by you = 265+7x  

Calories burnt by your friend = 273+11x  

Difference between both = 273+11x-(265+7x)  

= 273+11x-265-7x  

= 8+4x

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