180/3 = 60
Therefore the car traveled 60km per hour.
Answer: The car's maximum speed
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129,407 because 12 ten thousands is 120,000 and 8 thousands is 8,000. 14 hundreds is 1,400 and 7 ones is 7 so 120,000+8,000+1,400+7=129,407
Finding perimeter is simple. All you do is add up all of the side lengths, and bada bing bada boom, you got the perimeter.