anonymous
  • anonymous
plz help me
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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ganeshie8
  • ganeshie8
yes :)
anonymous
  • anonymous
Estimate 8 and one-third times 2 and four-fifths using any method you like. Then find the actual product. Use your estimate to show that your answer is reasonable. and show me how you did it
ganeshie8
  • ganeshie8
mixed fractions... familiar wid them ?

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More answers

anonymous
  • anonymous
can you help me
anonymous
  • anonymous
?
ganeshie8
  • ganeshie8
sure, lets write the given info in numbers :- 8 and one-third times 2 and four-fifths \(\large 8 \frac{1}{3} \times 2 \frac{4}{5}\)
ganeshie8
  • ganeshie8
lets estimate first, you're multiplying 8 and somthing, with 2 and something, so, the answer must be greater than 16 only.
ganeshie8
  • ganeshie8
can we estimate any bettter ?
anonymous
  • anonymous
yes?
ganeshie8
  • ganeshie8
good, wat is that ?
anonymous
  • anonymous
idk?
ganeshie8
  • ganeshie8
on top of 16, see that you're taking 4/5 of 8
ganeshie8
  • ganeshie8
that should give you 6+ so total the answer must be atleast 16+6 = 22
ganeshie8
  • ganeshie8
next, compute the actual product and see how bad/good is our estimation
anonymous
  • anonymous
is dont know how to do that
anonymous
  • anonymous
i
anonymous
  • anonymous
good?
ganeshie8
  • ganeshie8
\(\large 8 \frac{1}{3} \times 2 \frac{4}{5} \)
anonymous
  • anonymous
can you show it all together now plz
ganeshie8
  • ganeshie8
first convert mixed fraction to simple fraction...
ganeshie8
  • ganeshie8
\(\large 8 \frac{1}{3} \times 2 \frac{4}{5} \) \(\large \frac{25}{3} \times \frac{14}{5} \)
ganeshie8
  • ganeshie8
now you can multiply easily i hope :) btw, did u get how 8 1/3 became 25/3 ?
anonymous
  • anonymous
can you show it all together plz
ganeshie8
  • ganeshie8
okay see if the below working helps \(\large \large \frac{25}{3} \times \frac{14}{5}\) \(\large \frac{\cancel{25}^{5}}{3} \times \frac{14}{\cancel{5}}\)
ganeshie8
  • ganeshie8
\(\large \large \frac{25}{3} \times \frac{14}{5}\) \(\large \frac{{5}}{3} \times 14\)
ganeshie8
  • ganeshie8
\(\large \frac{70}{3}\) \(23.333\)
anonymous
  • anonymous
what is that?
ganeshie8
  • ganeshie8
23.333 is your final answer, and wat did u get when u estimate ?
anonymous
  • anonymous
25
ganeshie8
  • ganeshie8
careful, we got 22 right ?
ganeshie8
  • ganeshie8
so we're off by 1.33 so our estimation is not that bad :)
anonymous
  • anonymous
24
ganeshie8
  • ganeshie8
wats 24 ?
anonymous
  • anonymous
Numerator: 25 * 14 = 350 huge Denominator: 3 * 5 = 15\] ANSWER: 350/15 or 23.333 or 23 1/3
anonymous
  • anonymous
right
anonymous
  • anonymous
?
ganeshie8
  • ganeshie8
correct !
anonymous
  • anonymous
ty for help
ganeshie8
  • ganeshie8
looks you nailed it finally :)
ganeshie8
  • ganeshie8
np you're wlcme :)

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