We have 89 ounces of 47% iodine.
We will add "x" ounces of 14% iodine to get a 29% iodine solution.
89 * .47 + .14x = .29 * (89 + x)
41.83 + .14x = 25.81 + .29x
16.02 = .15x
x = 106.80
So, we must add 106.80 ounces of 14% iodine to get a 29% iodine solution.
(for a total of 195.80 ounces)
Source:
http://www.1728.org/mixture.htm
Answer:
1260
Step-by-step explanation:
sorry if it's wrong
Answer:
12-157.5 13-6ft
Step-by-step explanation:
the first one just look up 65% of 450 and minus the number you get by 450
the second one do the butterfly method

the heights on top and shadows on bottom
12x=72
x=6
Answer:
Step-by-step explanation:
its not A
Step One: Find 20% of 156
20% = .20
156 x .20 = 31.20
Step Two: Find the price of tickets
31.20 / 2 = 15.60
Final Answer: $15.60 per ticket
Hope this helps!