an order for 1lb 4% zinc oxide paste is prepared using the pharmacy stock 10% paste and 1% paste. how much of each stock paste must be mixed to obtain the desired concentration:
A. 115g of 10%, 330g of 1%
B. 151g of 10%, 303g of 1%
C. 330g of 10%, 115g of 1%
need to know how to show my work I am really lose but I do think its a allegation problem
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