a car travel 4hrs covers a distance of 480km how many hours does it take to cover a distance of 840km at the same constant speed​

7 hours

Step-by-step explanation:

4 hrs = 480km

1 hr = 480 ÷ 4 = 120km

840 ÷ 120 = 7 hours

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

$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