This task is about an equation for cooking a roast.
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Maaka is cooking Christmas roast. The recipe book says "Cook for 40 minutes for each kilogram of meat plus an extra 20 minutes". |
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t is the total cooking time (in minutes) w is the weight of the roast (in kilograms). |
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| a) |
Complete this formula to show how the cooking time varies according to the weight of the meat.
T = ___________________
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| b) |
How many minutes will it take to cook a roast that weighs |
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i)
ii)
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3kg? __________ minutes
1.5 kg? __________ minutes
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| c) | If a roast took 200 minutes to cook, what would it weigh? __________ kg |