Answer:
b. 300
i need 20 words this is filler
Step-by-step explanation:
If x is the volume of pure water:
Initial + added = final
0.95 (840) + 0 (x) = 0.70 (840 + x)
798 = 588 + 0.70 x
x = 300
840 + x = 1140
You need to add 300 mL of pure water to obtain 1140 mL of the desired 70% solution.
The difference between the <span>highest and the lowest temperature is 9 because the highest number is 7 and the lowest number is -2 so the difference is 9.</span><span />
Answer:26
Step-by-step explanation:
Answer: T=10-2 x y
Step-by-step explanation: that is the reason