Adam buys a bigger turkey than he needs. The turkey he buys weighs 7 kg. Below are the cooking instructions for the turkey. Cooking Instructions Weight Cooking times Less than 4 kg Allow 20 minutes per kg, plus 70 minutes Over 4 kg Allow 20 minutes per kg, plus 90 minutes Always leave the turkey to rest for 30 minutes before carving, to retain the moisture. He plans to carve the turkey at 17:15. What time should he start cooking the turkey?

Question

Mathematics

Timothy Graves

23 August, 00:15

Adam buys a bigger turkey than he needs. The turkey he buys weighs 7 kg. Below are the cooking instructions for the turkey. Cooking Instructions Weight Cooking times Less than 4 kg Allow 20 minutes per kg, plus 70 minutes Over 4 kg Allow 20 minutes per kg, plus 90 minutes Always leave the turkey to rest for 30 minutes before carving, to retain the moisture. He plans to carve the turkey at 17:15. What time should he start cooking the turkey?

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Salt · Answer 1

Given:

7 kg turkey

cooking time: over 4kg;

allow 20 minutes per kg plus 90 minutes

leave to rest for 30 minutes before carving

20 * 7 = 140 minutes + 90 minutes = 230 minutes cooking time

230 minutes + 30 minutes to rest = 300 minutes all in all

300 minutes : 60 minutes = 5 hours

If he plans to carve the turkey at 17:15,

17:15 - 5:00 = 12:15

then he should cook the turkey at 12:15