Foundation June 2018 Paper 2 Q17
17 Gopal is paid 20 000 rupees each month.
Jamuna is paid 19 200 rupees each month.
Gopal and Jamuna are both given an increase in their monthly pay.
After the increase, they are both paid the same amount each month.
Gopal was given an increase of 8%
Work out the percentage increase that Jamuna was given.
(4)
| Scheme | Marks |
|---|---|
| \(\dfrac{8}{100} \times 20\,000\) (=1600) | M1 |
\(20\,000 + \dfrac{8}{100} \times 20\,000\) (=21600) or (20 000 – 19200) + \(\dfrac{8}{100} \times 20\,000\) (=2400) | M1 |
\(\dfrac{\text{``}{21600}\text{''} - 19200}{19200}\) (×100) or \(\dfrac{\text{``}{2400}\text{''}}{19200}\) (×100) or “21600” ÷ 19200 (×100) oe | M1 |
| 12.5 | A1 |
| (4) | |
| (4 marks) |
Notes
M1: oe
M1: or for 1.125 or \(\dfrac{9}{8}\) or 112.5%
A1: oe
Award M2 for \(20\,000 \times 1.08\) or 21600