Answer:
8%
Step-by-step explanation:
Calculate how much she mad from selling the boxes.
2.25 * 60 = £135
Calculate the profit
£135 - £125 = £10
Then do the profit divided by the amount she bought them for
£10/£125 = 0.08
0.08 * 100 = 8 times by 100 to get the percentage
