Please help QUICK! I will mark the brainliest one!

I have written this much but I got 7/8 marks. Do you have any idea what I could be missing?

Tent Pitch = 2.5 × 4.2 = 10.5 > 10

=10.5 m²

Charges for tent = £15 per night

Total charges per night:

2 × £5 + £15 = £25

£25 per night

They plan to stay for 10 nights.

They only have to pay for 8 Nights.

Total charges = £25 × 8 = £200

Each person will save up £108

Total Saving = 2 × 9 × 12 = £216

216 > 200

= Yes

They will save £16 extra. Each person will save £8.