Answer:
25 < t < 350
Step-by-step explanation:
The mean lifetime of a bulb ranges from 25 to 350 hrs but the question is unclear.
Answer:
12 x 9 = 108
Step-by-step explanation:
X - 65 - 4x.
3x - 65.
I assume that you subtract x times four (a number, x, multiplied by 4) FROM the difference of x and 65 (the same number and 65).
Hope this helps!
Answer:
yes
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Answer:
80 ounces water
60 ounces brine
Step-by-step explanation:
Let x be the amount of water
Let y be the amount of brine 35%
The goal is to have salt weight of 140(0.15) = 21 oz.
21 = 0.35y
y = 60 oz
x = 140 - 60 = 80 oz
