SOLUTION: In July, Mr Chauhan again changed 1140 Rupees into Marks. The rate of exchange was then (x+1) Rupees = 1 Mark. a) Write down an expression, in terms of x, for the number of Marks

Question 1157831: In July, Mr Chauhan again changed 1140 Rupees into Marks. The rate of exchange was then (x+1) Rupees = 1 Mark.
a) Write down an expression, in terms of x, for the number of Marks he received this time.
b) Given that he received 3 Marks less in July than he received in May, form an equation in x and show that it reduces to x^2+x-380=0.
c) Solve this equation to find the rate of exchange in May 1994.

Answer by Shin123(626) (Show Source): You can put this solution on YOUR website!
a) (x+1) Rupees = 1 Mark. Multiply both sides by to get 1140 Rupees = 1140/(x+1) Marks
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