To decrease £110 by 10%, we can follow these steps:
1. Calculate 10% of £110:
10% of £110 = (10/100) x £110 = £11
2. Subtract the amount calculated in step 1 from the original value:
£110 - £11 = £99
Therefore, decreasing £110 by 10% results in £99. The new value is £99.