On monday, johnny's mother gave him cookies and milk after he had played quietly for 10 minutes. on tuesday, she required 20 minutes of quiet play before treat time, and on wednesday, the cookies were given to him only after a full half hour of quiet play. johnny was taught to play quietly for extended periods through:

Respuesta :

He was taught to play quietly for 10 to 30 minutes so every day his mom would add on 10 minutes so by Saturday he would have played quietly for a full hour.
Hope this helps! <3
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