<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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Answer:
16
Step-by-step explanation:
3x - 4 =
(10x - 72)
⇔ 6x - 8 = 10x - 72
⇔ 4x = 64
⇔ x = 16
b= 63 and that is your answer
Answer:
The correct answer is 20x-1