The output of a wind turbine depends on the turbine's size and the wind's speed through the rotor. An average onshore wind turbine with a capacity of 2.5–3 MW can produce more than 6 million kWh in a year
ABC charges 1.30 for 1 can but xyz charges 15.50 for 12 cans take 15.50 divided by 12 and the answer is 1.29 so xyz is the better buy
B may be the answer.hope it helps you
