 
<translate> Idan za a ba da pizzas biyu a biyu daga cikin tsayawa, jimlar adadin tsayawa zai zama 12 - 2 = 10 tsayawa. Idan akwai tsayawa 10 a cikin mintuna 40, to mai isar da sakon yana buƙatar matsakaicin 40 / 10 = mintuna 4 a kowane tsayawa. Amsar ita ce 4. <eng> If two pizzas will be delivered at two of the stops, the total number of stops will be 12 - 2 = 10 stops. If there are 10 stops in 40 minutes, then the delivery person needs to average 40 / 10 = 4 minutes per stop. So, the answer is 4. 