Answer: Kids will get 15 eclaire boxes in the exchange of 76 boxes.
Explanation:
Exchange criteria:
1 Ecalaire box free for 5 eclaire boxes.
Total boxes collected by kids =76
Number of eclaire boxes they will get = 76 ÷5
=
or 15 (approx.)
i.e. they will get 15 eclaire boxes in the exchange of 76 boxes.