Question

a flask was sold at rupees 72 in curing a loss of 10% what was its cost price

Answer 1

HELLO FRIEND!!!

Let CP be X
And SP=72
Loss%=10%
Therefore,
X - 10% of X=72
Or, X-X/10=72
Or, 9*X/10=72
Or, X=72*10/9
Or, X=80

Hence, the cost price is Rupees 80

Hope this helps!!!
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All the best!!!!!!!

Answer 2

Answer: 80

Step-by-step explanation:

Let CP be X

And SP=72

Loss%=10%

Therefore,

X - 10% of X=72

Or, X-X/10=72

Or, 9*X/10=72

Or, X=72*10/9

Or, X=80

Hope it is help full