document.write( "Question 287854: A doctor prescribes medicine. The patient must take 7.5mL every 6 hours. If the bottle contains 67.5mL of medicine, for how long must the patient take the medicine?\r
\n" ); document.write( "\n" ); document.write( "a) 30 hrs. b) 36 hrs. c) 48 hrs. d) 54 hrs. e) 60 hrs.
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Algebra.Com's Answer #208595 by nerdybill(7384)\"\" \"About 
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A doctor prescribes medicine. The patient must take 7.5mL every 6 hours. If the bottle contains 67.5mL of medicine, for how long must the patient take the medicine?
\n" ); document.write( "a) 30 hrs. b) 36 hrs. c) 48 hrs. d) 54 hrs. e) 60 hrs.
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\n" ); document.write( "Since each dose is 7.5 mL
\n" ); document.write( "and the bottle contains 67.5 mL
\n" ); document.write( "then
\n" ); document.write( "number of doses = 67.5/7.5
\n" ); document.write( "number of doses = 9
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\n" ); document.write( "and since he takes a dose every 6 hours:
\n" ); document.write( "He would take the first dose immediately then the next 8 every 6 hours:
\n" ); document.write( "8*6 = 48 hours\r
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