Answer:
360 more pencils.
45x18=810 large pencils
25x18=450 small pencils
810-450+360
Explanation:
</3 PureBeauty
360
So we do 45*18 for the large boxes which is 810 and 25*18 for the small boxes which is 450 so now we subtract 450 from 810 which is 360!
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