Answer:
29.8%
Step-by-step explanation:
1.30 × 800 = £1040
25% of 800 = 200
800 - 200 = 600 poppy lapel pins given to the charity
70% of 600 = 420
420 × 2.50 = £1050
30% of 600 = 180
180÷3 = 60
60 × 5.00 = £300
[tex]\frac{1050+300-1040}{1040}[/tex] = 29.8076923
= 29.8% to one decimal place
I hope I helped :)