I think the answer is 1.06666666667
It would be: 420 + (420 * 17.5%)
= 420 + (420 * 0.175) [ 17.5% = 0.175 ]
= 420 + 73.5
= 493.5
In short, Your Answer would be <span>£493.5
Hope this helps!</span>
38,728 + 41,584 = 80,312
The company delivered 80,312 items.