Foundation June 2019 Paper 2 Q3
3.
(a) Calculate 56% of 850. [2]
(b)
Anoosha tries to calculate 7% of 1250.
She writes the following:
| \(7\%\text{ of }1250 = 0{\cdotp}7 \times 1250\) \(\phantom{7\%\text{ of }1250} = 875\) |
Anoosha is incorrect.
What should she have written? [1]
(c)
Dieter slept very well last night.
He says,
“I slept for 9 out of 24 hours, that’s over 36% of a day.”
Is Dieter correct?
Yes ☐ No ☐
Give a reason for your answer.
You must show all your working. [2]
| Scheme | Marks | Comments |
|---|---|---|
| 0.56 x 850 or equivalent method | M1 | |
| = 476 | A1 |
| Scheme | Marks | Comments |
|---|---|---|
| 0.07 (x 1250 =87.5) | E1 | Allow fully correct methods as ‘explanations’ |
| Scheme | Marks | Comments |
|---|---|---|
| (100 x) 9 ÷ 24 (=0.375) OR 0.36 x 24 (=8.64) | B1 | |
| ‘Yes’ AND comparison between the two values 37.5% > 36% or 8.64 < 9. | E1 | |
| (5) |