Since 10% = 0.10 by moving the decimal two spots to the left, we can say that 0.10L is the amount of alcohol with 10% concentration in L liters. Similarly, 0.60L is 60% for L liters and 0.30L is the amount of liters with 30%. If the amount of 10% alcohol solution in liters is x and the 60% in y, we get 0.10x+0.60y=0.30L due to that the liters add up to get a 30% amount of alcohol (this equation represents the amount of alcohol). Next, x+y=L. Since we know that we have 90 liters of 0.60, y=90 and we have
0.10x+54=0.30L
x+90=L. Plugging x+90 for L, we get 0.10x+54=0.3(x+90)=0.3x+27. Subtracting 27 and 0.1x from both sides, we get 0.2x=27. Next, we can multiply both sides by 5 (since 1/0.2=5) to get x=135 liters
Answer:
9 pounds would be 144 ounces!
Step-by-step explanation:
1 times 9 is 9
so 16 times 9 is 144!
hope this helps you!
Answer:
2.9
Step-by-step explanation:
11.6 divided by 4 equals 2.9
Answer:
1/7, 2, 0.62, 40000000002342, 13, 23/478
Step-by-step explanation:
A number is rational if we can write it as a fraction, where both denominator and numerator are integers and denominator is a non-zero number.
