题目

People in the UK often talk about their homes: their mortgages (按揭), the interest rates, and rising prices. Here’s a guide to some of the words and phrases you might come across.         It’s a good idea in the UK to arrange a mortgage with a bank before you start looking. This is when the bank tells you how much money they will lend you so you have a good idea of how much you can afford.         The next step is to go to an estate agent and see what sort of properties they have available in your budget range and in your area. If you see something you like, the es某餐馆一天中要购买A,B两种蔬菜,A、B蔬菜每斤的单价分别为2元和3 元。根据需要,A蔬菜至少要买6斤,B蔬菜至少要买4斤,而且一天中购买这两种蔬菜的总费用不能超过60元。(1)写出一天中A蔬菜购买的斤数x和B蔬菜购买的斤数y之间的不等式组;(2)在下面给定的坐标系中画出(1)中不等式组表示的平面区域(用阴影表示),并求出它的面积。
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