anonymous
  • anonymous
The Boardman family walked two over five of a mile in two over seven of an hour. What is their unit rate in miles per hour
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
two-sevenths over two-fifths equals one and two-fifths miles per hour two-sevenths over two-fifths equals five over seven mile per hour two-fifths over two-sevenths equals one and two-fifths miles per hour two-fifths over two-sevenths equals five over seven mile per hour
misty1212
  • misty1212
HI!!! \[\frac{2}{5}\] of a mile in \[\frac{2}{7}\] of an hour
misty1212
  • misty1212
is that the question?

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anonymous
  • anonymous
yes
misty1212
  • misty1212
they want you do divide miles by hours \[\frac{2}{5}\div\frac{2}{7}\] you know how to do that?
anonymous
  • anonymous
no, not really. Sorry.
misty1212
  • misty1212
as the math teachers say "invert and multiply" which means flip the second on and go straight across \[\frac{2}{5}\div \frac{2}{7}=\frac{2}{5}\times\frac{7}{2}\]
misty1212
  • misty1212
cancel the twos, gives you \[\frac{7}{5}\]
anonymous
  • anonymous
true. But thats not one of my answers.
misty1212
  • misty1212
maybe they want you to write it as a mixed number, or a decimal
misty1212
  • misty1212
is \[1\tfrac{2}{5}\] a choice?
anonymous
  • anonymous
yes
misty1212
  • misty1212
then pick that one!
anonymous
  • anonymous
So, it would be 2/5 over 2/7 equals 1 and 2/5
anonymous
  • anonymous
@misty1212

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