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April 17, 2014

April 17, 2014

Posted by **Barb** on Monday, February 18, 2013 at 4:00pm.

- Math-Please Help -
**bobpursley**, Monday, February 18, 2013 at 4:28pmdensity=mass/iron

Now the wording "weighs 45oz" bothers me. This is one reason one should never use English units, it is not clear 45oz mass or force(weight). Nuts to using English units.

Lets assume it is mass.

density=45oz/10in^3*(1 in/2.54cm)^3*1lb/16oz*454grams/lb

= 4.5*454/(2.54^3*16)=7.791g/cm^3

check that

- Math-Please Help -
**Barb**, Monday, February 18, 2013 at 4:50pmThank you!!

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