Best buy deal questions

[Redmoon]

Hey can anyone else me with these two questions I am stuck on. How would I go about working them out? Any help is much apperciated.

 

[Deleted member 4993]

Hey can anyone else me with these two questions I am stuck on. How would I go about working them out? Any help is much apperciated.



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View attachment 31793

Please show us what you have tried and exactly where you are stuck.

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