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 500 grams. How much would the recycled glass cost to power the oven for 6 hours?

Answer 1

How you solve this is

6 hours = 30
6 hours =360÷7.5
=48
48×500g
=24000g
=24kg
5p×24

Answer=120p

Hope this helps :)