Word Problem about diameter…need some help (see details)?
Buckwheat’s tractor tires have a diameter of 1.2m. Dingus counts the wheels turning 80 times (80 revolutions) as Bucky drives the length of the potato field. How long is the field in metres?
Then,
When it’s Dingus’ turn, he drives the length of the field in 36 seconds. How fast is he traveling in km/h?
This is what I did for both;
http://www.mymathforum.com/viewtopic.php?t=2157
You did just fine; both answers are correct.
You could have saved yourself a bit of work in
answering the second part by simply dividing the
length of the field (which you calculated in part 1 of the
question) by 36, to get meters/sec.
Still, you got it right: that’s all that matters.
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