1MA0 Foundation June 2016 Paper 2 Q7
7 Megan buys a frozen turkey.
She is going to defrost the turkey using these instructions.
| Defrosting instructions |
|---|
| Allow 2 hours for each 450 g |
The turkey weighs 5.4 kg.
(a) Work out how many hours it will take to defrost the turkey. (3)
Megan uses these instructions to cook the turkey.
| 1. Cook for 20 minutes per kg. 2. Cook for another 90 minutes. 3. Take out of oven. 4. Leave for 30 minutes. The turkey will then be ready to eat. |
The turkey weighs 5.4 kg.
Megan says,
“I will start to cook the turkey at 2 30 pm.
It will be ready to eat at 6 pm.”
*(b) Is Megan correct?
You must show how you get your answer. (4)
You must show how you get your answer. (4)
| Answer | Mark | Notes |
|---|---|---|
| 24 | 3 | M1 for using 1 kg = 1000 g M1 for dividing “5.4kg” by 450g or \(10 \times 450 + 900 = 5400\) or \(10 + 2 = 12\) oe A1 cao NB: Candidates can work in kg and/or g |
| Answer | Mark | Notes |
|---|---|---|
| No and explanation | 4 | M1 for a correct first step eg \(90 + 30\) (= 120) eg \(5.4 \times 20\) (= 108 or 1h 48 m) M1 (dep) for a complete method to get 6 18 pm or 2 12 pm or 228 or 3h 48m A1 for 6 18 pm or 2 12 pm or 228 and 210 or 18 or 3h 48m and 3h 30m C1 ft (dep on M2) for correct decision based on their figures |