SOLUTION: A man can buy a number of shirts with £720. If each shirt is £2 cheaper, he can buy 4 more shirts. How many did he buy?

Question 1157101: A man can buy a number of shirts with £720. If each shirt is £2 cheaper, he can buy 4 more shirts. How many did he buy?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.


Let n be the number of the shirts under the question.


Then you have this equation for n

     -  = 4.


(price of one shirt in the hypothetical scenario MINUS price of one sheet in real scenario).


Simplify by dividing  both sides by 4

     -  = 1.


Reduce to the standard quadratic equation form and get the answer n = 20.

Solved.

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