Posted by Aly on Wednesday, October 27, 2010 at 3:54am.
The birth weight of childeren were 7 pounds 2 ounces, 6 pounds 10 ounces, 8 pounds 5 ounces, 7 pounds 9 ounces. Luis estiamted the total weight of the babies at birth was 30 pounds. Which best describes his estimate?
A. More than the actual weight because he rounded to the nearest ounce.
B. Less than the actual weight because he rounded to the nearest ounce.
C. Less than the actual wieght because he rounded to the nearest pound
D. More than the actual weight because he rounded to the nearest pound
- math - Aly, Wednesday, October 27, 2010 at 3:55am
haha nvm!! :)
- math - jai, Wednesday, October 27, 2010 at 3:56am
summing pounds: 7+6+8+7 = 28 pounds
summing ounces: 2+10+5+9 = 26 ounces
since 16 ounces = 1 pound,
26 ounces = 26/16 = 1.625 pounds
total wight = 28+1.625 = 29.625 pounds,,
therefore, 30 is greater than 29.625,
--> i think it's letter A
haha alright. :)
i just reposted in case you have not read~ :P
- math - michaella, Sunday, February 5, 2012 at 7:40pm
the average weight of a baby at birth is 7 pounds .how many ounces is this
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