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OpenStudy (anonymous):
the teacher needs to buy rulers for her class of 30 students rulers come 8 in a box if she purchases 4 boxes how many rulers will ot be used
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OpenStudy (anonymous):
2
OpenStudy (anonymous):
8 in a box * 4 boxes --> 32 rulers but only 30 students so 2 rulers will not be used.
OpenStudy (anonymous):
\[All i know is that you gotta \div something b\]
OpenStudy (saifoo.khan):
LOL^
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