Posted by Mark on Tuesday, April 19, 2011 at 8:54pm.
Liz, jas and Sam each have a collection of marbles. The three of them pool their marbles to make a larger collection. They weigh the marbles on a postal scale. Together they have 2$6 marbles which.weigh 183 ounces. What is the average weight(unit rate) of each marble?

Math  Ms. Sue, Tuesday, April 19, 2011 at 8:57pm
What is this? 2$6

Math  Mark, Tuesday, April 19, 2011 at 9:01pm
Oh sorry 246 marables

Math  Ms. Sue, Tuesday, April 19, 2011 at 9:06pm
183 / 246 = 0.74 ounces
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