Mathematics, 23.08.2019 11:50 haylee8530

An electrician sent bonnie an invoice in the amount of a dollars for 6 hours of work that was done on saturday. the electrician charged a weekend fee f in addition to an hourly rate r. bonnie knows what the weekend fees is. write a formula bonnie can use to find r, the rate the electrician charges her per hour ( the capital a, f & r are varibles)

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An electrician sent bonnie an invoice in the amount of a dollars for 6 hours of work that was done o...