Caillou buys 76 toy cars. his sister rosie steals 23/12 of toy cars caillou. how many cars does he have left write it in fraction form

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?