Original price of the video game = $42
Percentage of discount = 25%
Amount of discount = 42 * (25/100) dollar
= 42 * (1/4) dollar
= (42/4) dollar
= (21/2) dollar
= $ 10.5
Actual sale price of the video game = (42 - 10.5) dollar
= 31.5 dollar
So we come to know that the amount of discount given is $10.5 and the sale price of the video game is $31.5