Jeremy = 1405 stickers.<br>
Together (Jeremy + Derrick) = 3260 stickers.<br><br>
&bull; Derrick = Total &minus; Jeremy = 3260 &minus; 1405 = 1855<br>
&bull; How many more Derrick had than Jeremy = Derrick &minus; Jeremy<br>
&bull; = 1855 &minus; 1405 = 450<br>
<br>
Derrick collected 450 more stickers than Jeremy.<br>
Check: 1405 + 1855 = 3260. ✓