Question

Descending order: 1 2/3, 1.7, -1 1/5, -25%

Answer 1

1.7, 1 2/3, -25%, -1 1/5

It’s easiest to understand if you put them all in their decimal form.
1 2/3 = 1.666.....
1.7 = 1.7
-1 1/5 = -1.2
-25% = -0.25