Question

the cost of an article including the sale tax is rupees 616 the rate of sales tax is 10% If the shopkeeper has made a profit of 12% then find the cost price of the article

Answer 1

487.8792 is the wright answer ok understood see first i calculated the percentage of 10 and i subracted it from total and then i found the percentage for 12 and i subracted from the total and i got the answer.understood
 

Answer 2

$616 \times 10 \div 100 = 6.16 \\ 616 - 6.16 = 609.83$
profit made
$12 \div 100$
without profit
609.83*12/100
73.1796
subtracting 73.1796 from 609.83
536.6507