Plz help me I dont understand?

based on what I see

Step-by-step explanation:

I think first box is going to have 3 rectangles unshaded and two shaded

the 3rd box is going to have 9 unshaded and 6 shaded

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720