gl test 6, q 18, help please
Posted: Sun Aug 18, 2013 11:36 am
It takes 324 kilograms of coal to run a 100-watt light bulb 24 hours a day for a year.
That's equal to the weight of three baby elephants!
How many UK 100-watt light bulbs could you run for 12 hours a day with 12 baby elephants' weight of coal?
answer is 8
That's equal to the weight of three baby elephants!
How many UK 100-watt light bulbs could you run for 12 hours a day with 12 baby elephants' weight of coal?
answer is 8