Question

How do I get 1/4 of $3.20

Answer 1

" of " means multiply

1/4 * 3.20/1...and just multiply....(1 * 3.20) / (4 * 1) = 3.20/4 = 0.8
or
1/4 = 0.25.....0.25(3.20) = 0.8

Answer 2

Solutions 

$(1 * 3.20) / (4 * 1) = 3.20/4 = 0.8$ 

Answer = 0.8