7 grade maths> On selling 17 balls at Rs 720, there is a...
On selling 17 balls at Rs 720, there is a loss that is equal to the cost price of 5 balls. Then what is the cost price of a single ball?
1 AnswersLet's assume the cost price of a single ball is "x" rupees.
According to the given information, when 17 balls are sold at Rs 720, there is a loss equal to the cost price of 5 balls.
To calculate the cost price of a single ball, we can set up the following equation:
17x - 720 = 5x
Now, let's solve this equation to find the value of "x" (the cost price of a single ball):
17x - 5x = 720
12x = 720
x = 720 / 12
x = 60
Therefore, the cost price of a single ball is Rs 60.
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