What is 20percent off of 1600?

To calculate 20% off of 1600, you first convert 20% to a decimal by dividing it by 100, which gives you 0.20. Then, you multiply 0.20 by 1600 to find the discount amount. So, 0.20 x 1600 = 320. Therefore, 20% off of 1600 is 320.