Answer:1.To find 15% of 1,700, you multiply 1,700 by 0.15:\[ 1,700 \times 0.15 = 255 \]So, 15% of 1,700 is 255.2.To find the number where 20% is 50, you can set up the equation:\[ 0.20 \times \text{Number} = 50 \]Solving for the number:\[ \text{Number} = \frac{50}{0.20} = 250 \]So, the number is 250.