1MA0 Foundation June 2014 Paper 1 Q18
18 \(x = -5\)
\(y = 2\)
(a) Work out the value of \(3x + 4y\) (2)
Janet buys \(p\) packets of sweets.
There are 10 sweets in each packet.
(b)
(i) Write down an expression, in terms of \(p\), for the total number of sweets Janet buys.
Janet eats 7 of the sweets.
(ii) Write down an expression, in terms of \(p\), for the number of sweets Janet has now.
(2)| Answer | Mark | Notes |
|---|---|---|
| \(-7\) | 2 | M1 for \(3 \times -5\) (\(= -15\)) and \(4 \times 2\) (\(=8\)) A1 cao |
| Answer | Mark | Notes |
|---|---|---|
| (i) \(10p\) | 2 | B1 for \(10p\) oe |
| (ii) \(10p - 7\) | B1ft for “\(10p\)” \(- 7\) Note “\(10p\)” MUST be an algebraic expression |