A car traveled a distance of D = 199 km (kilometers) for T = 4.2 hours at a constant rate. Use the formula D = R · T
to find the speed (R) of the car in km per hour. Round your answer to the nearest tenth.

47.4 not rounded 47.38

Step-by-step explanation:

You divide 199 by 4.2 and get 47.4 and then you can multiply 47.38x4.2 and will get you 199

Step-by-step explanation:

199 =R×4.2

R= 199÷2

R= 47.38km

nearest tenth is 47.4

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step-by-step explanation:

$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