Question 490470
a tablet of medication consists of two substances in the ratio of 9 to 5.if the tablet contains 140 milligrams of medication . how much of each substance is in the tablet
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9 to 5 is the same as 9x to 5x
Equation:
9x + 5x = 140
14x = 140
x = 10
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1st substance: 9x = 90 mg
2nd substance: 5x = 50 mg
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Cheers,
Stan H.