Question

Jane made 720 biscuits for a fete.

She sold 70% of them at 25p each.
She sold the other 30% at 4 for 60p.
The biscuits cost her £40 to make.
Calculate her percentage profit.

Answer 1

296%

Explanation:

Total number of biscuits sold = 720

70% of 720 = 0.7 x 720

= 504

Amount of 504 biscuits sold = 504 x 25p

= 12600p

But 100p = £1

So that,

12600p = £126

30% of 720 = 0.3 x 720

= 216

But, she sold 216 biscuits at 4 for 60p.

The amount of 216 biscuits sold =
`(216)/(4)` x 60p

= 54 x 60p

= 3240p

= £32.40

Total amount on sales = £126 + £32.40

= £158.40

But her cost price is £40.

Profit = £158.40 - £40

= £118.40

Her percentage profit =
`(118.40)/(40)` x 100

= 296%