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15-06-2017
Mathematics

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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?

Respuesta :

15-06-2017

Energy from 1 bottle last 7.5 min

1 glass cost = 2.5 $
Since it cost 5$ for 1 kg and the bottle weight 1/2 kg

6*60 =360 min ( is in 6 hours)

2.5/? =7.5/360

? = 120 $

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