40 i think because when you divide 400 by 10 it equals 40
Answer:
He sold 240 rolls.
Step-by-step explanation:
To find the amount of rolls he sold, we can multiply the amount of rolls in each box by the amount of boxes sold. If there are 6 rolls in each box, and he sold 40 boxes, then we would multiply 6 by 40.
6*40=240.
He sold 240 rolls.
Hope this helps!
Answer: 
Step-by-step explanation:
The greatest GCF is 5 because 5 goes into 15, and 10. Therefor, the answer would be 2/3.
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