Answers by Mark Varnas
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Answers by Mark Varnas

Answers by Mark Varnas
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A jewelry supply shop buys silver chains from a manufacturer for c dollars each, and then sells the chains at a 40% markup. Write an expression for the retail price of a silver chain.
answered Jul 28, 2017
4 votes
11.2k views
True or false A trapezium is a parallelogram
answered Apr 14, 2017
4 votes
121k views
A saline solution with a mass of 400 g has 30 g of NaCl dissolved in it. What is the mass/mass percent concentration of the solution?
answered Apr 6, 2017
3 votes
51.4k views
Balancing Equations: _(NH4)3PO4 + _Pb(NO3)4 = _Pb3(PO4)4 + _NH4NO3 With work please.
answered Aug 25, 2016
4 votes
115k views
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