英语翻译

问题描述:

英语翻译
twelve cows produce 224,988 pounds of milk
find the unit rate in pounds per cow.
a model airplane flies 18 feet in 2 seconds.
what is the airplane's speed in miles per hour?
round your answer to the nearest hundredth.

12头母牛产生224,988磅的牛奶
算下一头牛生产多少磅牛奶
一个模型飞机2秒飞18英尺
飞机速度是多少英里/秒?
答案简化到百位