If the price of a yo-yo in a shop increased by 25% and is now $5.00, what was the original price

Answer 1

If you increase the price by 25%, the new price is 125% of the old.

1.25p = 5

p = 4

$4.00

Answer 2

Let P = the original price

Then P + .25P = $5.00

or 1.25P = $5.00

P = $4.00