An Article is Advertised for 262.50 dollars inclusive of a 5% GST . find the orignal price

To find the original price of the article before the 5% GST was added, you can use the following steps:

Step 1: Convert the advertised price to a decimal by subtracting the GST amount. The GST amount can be calculated by multiplying the advertised price by 5% (0.05). Let's call the advertised price "A" and the original price "P".

GST amount = A * 0.05

Step 2: Subtract the GST amount from the advertised price to find the original price.

P = A - GST amount

Now, let's plug in the given values and calculate the original price:

GST amount = 262.50 * 0.05 = 13.125

Original price, P = 262.50 - 13.125 = 249.375 (rounded to two decimal places)

Therefore, the original price of the article was $249.38.

well, you know that

1.05 p = 262.50

so, ...