How many 20 can lengths of a pipe can be cut from a pipe 8.7 m long?

(8.7×100)cm=870cm

870cm/20cm=43.5

so 43 20cm can be cut

$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