<h2>Given :</h2>
<h2>Solution :</h2>

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I think it’s B, or 0.10x+0.15(50-x)=0.12(50)
Because 10% would give you 30ml, and 15% would equal 20ml to get 50ml, according to the equation.
Answer:
3.vertically opposite angle
4.side of a congruent triangle are equal
Answer: 39
Step-by-step explanation:
30-8=22
22/2=11
11+2=13
13 times three is (39)