A company has offices in 2 different buildings.53%of the copying machines in the 1st building and 48% of the copying machines in the 2nd building received preventive maintenance last month .if 42% of the company copying machines are in the 1st building.what % of all the copying machines recieved preventive maintenece last month?

• % of all the copying machines recieved preventive maintenece last month = 100*(0.42*0.53 + 0.58*0.48) = 100*(0.2226 + 0.2784) = 50.1%
• 12 years agoHelpfull: Yes(40) No(5)