Answer:
(9/3) * 4 * 2
Step-by-step explanation:
:DDDD
400 --- 100%
60 --- x%
x = 60/400 * 100 = 15% <span>chocolate.</span>
Answer:
1. False! 11 11/48 = 11.2291666667 Because 4 4/12 x 2 3/4 = 11.9166666667
2. 5 1/2 x 5 = 27.5 And 25 1/2 = 25.5 False!
Step-by-step explanation:
First, let x be the amount of 20% acid solution in liters. With this, 60 - x is the amount of 50% solution. The acid balance before and after mixing becomes,
(0.2)(x) + (0.5)(60 - x) = (0.40)(60)
The value of x is 20. Therefore, Gabe needs 20 liters of 20% acid solution and 40 liters of 50% acid solution.