Question 960749
You are correct
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note that 8 centiliters (cL) = 80 mililiters (mL)
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80 * .20 = 16 mL
x  * .00  = .00x mL
x+80 * .15 = .15x+12 ml
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therefore
16 ml +.00x = .15x+12 mL
.15x = 4 mL
x = 4 mL / .15 = 26.666666667 which is approx 26.67 mL = 2.667 cL