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Guide me through 2(3d+7)=5+6d
answered
Apr 1, 2015
Mathematics
middle-school
6
votes
125k
views
The gym offers a discount when more than one member of the family joins.The first member ( n=10) pays $550 per year. The second member to join (n=1) get discount of $75 per yar. The third member (n=2)
answered
Jan 11, 2015
Mathematics
middle-school
3
votes
141k
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