Suppose x quarts of the 50% solution
0.5x+0.2*20=0.4(x+20)
0.5x+4=0.4x+8
0.1x=4
x=40
$13.68 because you do [.18+.06=.24] [18•.24=4.32] [18-4.32=13.68]
The answer is between 45,000,000-65,000,000
Answer:oh okay
Step-by-step explanation:
Answer:
51/200
Step-by-step explanation:
To write a decimal as a fraction, you have to make the decimal the numerator, and put a multiple of ten with that number of zeroes in the denominator:
0.255 = 255/1000
Then we simplify
51/200
