<span>Equation:
0.15x + 0.10(5-x) = 0.11*5
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Multiply thru by 100:
15x + 10*5 - 10x = 11*5
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5x = 5
x = 1 liter (amt. 15% oj needed)
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5-x = 4 liters (amt of 10% oj needed)
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30-2 = 4x
28 = 4x
Divide both sides by 4 to eliminate the 4.
x=7
Answer:
15
Step-by-step explanation:
5/6 * 18
Rearranging
5 * 18/6
5 *3
15
I'm pretty sure both B and C equal 12 as well
Since the triangle equals 180 and the angels are all congruent
