2016.03.14
今日は中学２年生の数学の授業で、「英語で数学に挑戦！」をしました。
「え～！」「なんで英語なん！」など一通りリアクションしたあとは、
習ったばかりの比較級や受動態を見つけて、真剣に取り組んでいました。
A ball-point pen is 30 yen more expensive than a pencil. You had just enough money to buy 5 ball-point pens and 5 pencils. As all items were sold at a 10% discount, you were able to get 6 ball-point pens and 5 pencils. How much is a pencil without a discount?
