Mike在超市购物。他购买了三支钢笔，一条围巾，一包狗粮。
看图回答问题：How much are they?

2×3+15+20=41（元）
They are 41 yuan.

二 读一读，想一想，答一答。
Bear: Can I help you, madam?
Giraffe: Yes, it’s cold. I need a scarf.
Bear: What colour do you like?
Giraffe: Purple.
Bear: Here you are. Please try it on.
Giraffe: Oh, it’s too short.
Bear: Hmm, I have an idea. Pass me a yellow scarf and a blue scarf.
Squire: Yes, sir.
Bear: Try them on, please.
Giraffe: Hmm, they’re not long enough.

Bear: Pass me a red one and a green one.
Squire: Yes, sir.
Giraffe: Good! They’re long enough now. How much are they?
Bear: Forty yuan each（每条）.
Giraffe: OK. How expensive! It’s not always good to have a long neck!
长颈鹿认为有长脖子总是好的吗？

不总是好的，因为她要花很多钱买围巾。