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Mathematics 22 Online
OpenStudy (anonymous):

Anna is weighing packages she is going to mail. They weigh 15.6 ounces, 13.25 ounces, 8.6 ounces, 9.75 ounces, and 18.23 ounces. Estimate the total weight of the five packages.

OpenStudy (anonymous):

Just add the weights

OpenStudy (anonymous):

13.086 ounces. You add up all the weights, then divide by 5 (the number of packages)

OpenStudy (anonymous):

But if you really want the weight you will need to convert ounces into grams then you will have to multiply the total by the force of gravity which is 9.8 m/s^2

OpenStudy (anonymous):

ounce is a measurement of mass not weight. Weight is a force F=m*a where m=mass and a=acceleration

OpenStudy (anonymous):

But that would give you Fw, the force of weight instead.

OpenStudy (anonymous):

Weight is a force

OpenStudy (anonymous):

Right but I think this problem is dealing strictly with the concept of averages and not physics, since the question says "they weigh" and not "they have masses of."

OpenStudy (anonymous):

Oh ok just add them up then

OpenStudy (anonymous):

Yeah because you're right, but I think that's just more involved than this question is looking for

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