Posted by **keria ** on Saturday, October 24, 2009 at 8:41pm.

a mr wikinson backpack weighs 45 pounds if there are 453.7grams in one pound what is the mass of his backpack?

- science -
**bobpursley**, Saturday, October 24, 2009 at 8:58pm
mass= 45lbs* .454kg/lb

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