Question

The energy saving from recycling one glass bottle will power the oven Adam uses to cook the Turkey for 7.5 minutes glass used for recycling costs 5p per kg. a glass bottle weighs 500g. How much would the recycled glass cost to power the oven for 6 hours?

Answer 1

6 hours=360 minutes
Glass bottles needed to cook for 6 hours=360/7.5
                                                           =48
Weight of 48 glass bottles=48x500g
                                      =24000g
                                      =24kg
Price of 24kg of glass=5px24
                               =120p