joyme
joyme joyme
  • 19-01-2019
  • Mathematics
contestada

Any one plzzzz help I'll award brainliest

Any one plzzzz help Ill award brainliest class=

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ZaxY
ZaxY ZaxY
  • 19-01-2019
answer is 30.5 cm
1st u will need to find the average of the height and times each of the the frequency and then divide by total which is 20
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