An exercise machine with an original price of $910 is on sale at 25% off.

A. What is the discount amount
B. What is the exercise machines sale price.

A. The discount amount can be calculated by taking 25% of the original price: 25% of $910 = $910 * 0.25 = $227.50

B. The exercise machine's sale price can be calculated by subtracting the discount amount from the original price: $910 - $227.50 = $682.50

Therefore, the exercise machine's sale price is $682.50.