Answer:
50 liters
Step-by-step explanation:
If x is the volume of 20% acid, then:
x (0.20) + 20 (0.45) = (x + 20) (0.30)
0.2x + 9 = 0.3x + 6
3 = 0.1x
x = 30
30 liters of 20% acid are needed, so there will be a total of 50 liters of 30% acid.
Answer:
14.4
Step-by-step explanation:
You only move one space to the left since it is only one place to the lest with the decimal number .6
*Hope this helps*
Answer:
980
Explanation step by step:
The factors are arranged and multiplied
31.25 meters 3.75<span> / </span>3<span> = 1.</span>25<span>,</span>
