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20-12-2022
Mathematics

Answered

The cot of a plumber conit of two part: the fixed cot and the hourly rate. One piece of work take the plumber 5 hour and cot £155. Another piece of work take the plumber 8 hour and cot £230. (a) i) What i the fixed cot of the plumber?
ii) What i the hourly rate for the plumber?

Answer :

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