เสียงที่ใช้ร่วมกัน

Tobi:"Here is a quick mathematics question... [short pause] If you have eight pizzas, and each person eats half a pizza... how many people can eat?" Amara (Higher pitch/Younger):"Eight people!" Tobi:"Not quite. Let’s think carefully. [pause] Each pizza has two halves... so eight pizzas give sixteen halves. If one person eats one half... how many people can eat?" Emeka (Excited):"Sixteen people!" Tobi (Confident): "Exactly! So, eight divided by one-half equals sixteen. We are not flipping fra