Bailey bought 8 dog treats and an additional 2 chew toys. She also got 10 more rawhide bones. Sadly, she forgot her money and had to split the charges equally across 4 credit cards. How many items were included in each charge?
Bailey got 8+2=
<gadget id="calculator">8+2</gadget>
<output>10</output>
10 dog supplies.
After adding the rawhide bones, she had 10+10=
<gadget id="calculator">10+10</gadget>
<output>20</output>
20 dog supplies.
She needed to split the charges across 4 cards, so each charge had 20*.25 = 
<gadget id="calculator">20*.25</gadget>
<output>5</output>
5 items.

<result>5</result>