Foundation June 2022 Paper 1R Q14
14 Jakub has bought a chicken.
He is going to use this rule to work out the number of minutes it will take to cook his chicken.
Cooking time (minutes)
Multiply the chicken’s weight, in kg, by 40
Then add
30
Multiply the chicken’s weight, in kg, by 40
Then add
30
The weight of Jakub’s chicken is 2.6 kg
(a) Use the rule to work out the number of minutes it will take to cook Jakub’s chicken. (2)
The following week Jakub buys another chicken.
He uses the rule and works out that it will take 2 hours 40 minutes to cook this chicken.
(b) Work out the weight of this chicken. (3)
| Scheme | Marks |
|---|---|
| 2.6 × 40 + 30 oe | M1 |
| 134 | A1 |
| (2) |
Notes
A1: allow 2 h 14 mins
| Scheme | Marks |
|---|---|
| 2 × 60 + 40 (= 160) oe | M1 |
| (“160” − 30) ÷ 40 or “130” ÷ 40 | M1 |
| 3.25 | A1 |
| (3) | |
| (5 marks) |
Notes
M1: convert 2 hours 40 minutes to minutes
M1: for a complete method
A1: oe eg \(3\dfrac{1}{4}\) or \(\dfrac{13}{4}\)
(Note: may see use of their part (a))