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When the interest rate is high in a country it encourages investors to convert their money, e.g. into pounds, and invest their money in the country. The price change can be traced back to basic supply and...

Real/Unreal

A social heirarchy consists in differences throughout society of factors such as status, income, and involves widespread inequality. Conservatives, to a far greater extent than those on the left of the po...

The demand curve shows how different prices of a commodity affect the quantiy demanded by consumers.Price is always show on the y-axis (vertical) and quantity on the x-axis (horizontal). These two variabl...

Let's solve for x first by substituting y in terms of x.

4x-y=30

y=4x-30

3x+2y=3x+2(4x-30)=3x+8x-60=11x-60

11x-60=17

11x=77

x=7

Now let's solve for y by su...