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it is your sister's birthday and you are preparing a family meal. The joint of meat needs to be cooked for 30 minutes per 500 g plus an extra 20 minutes. How long will it take to cook a joint of meat weighing 2.5 kilograms?

Respuesta :

texaschic101
1 kg = 1000 g....so 2.5 kg = (2.5 * 1000) = 2500 grams

it cooks 30 minutes per 500 g.....2500/500 = 5...so there are 5 thirty minute periods ....(5 * 30) = 150 minutes....plus the extra 20 minutes....(150 + 20) = 170 minutes....so ur looking at 2 hrs 50 minutes cook time <=

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