69 ML--------------9%
x----------------------10%
9%x=10%×69
9x=_10_×69
100
9x=_690_
9x=_69_
10
90x=69
x=69/90
x=23/30
x=0,766
x=aproximadamente 0,8 ML
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69 ML--------------9%
x----------------------10%
9%x=10%×69
9x=_10_×69
100
9x=_690_
100
9x=_69_
10
90x=69
x=69/90
x=23/30
x=0,766
x=aproximadamente 0,8 ML