120÷[17-{15-3(8-2)}]
1 answer:
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Answer:
The percentage of drug in the resultant solution is 25% .
Step-by-step explanation:
Given :A pharmacist added 50 g of drug to make a total of 200 mL of solution.
To Find : What is the percentage of drug in the resultant solution?
Solution:
Amount of drug = 50 g
Amount of solution = 200 ml
So, the percentage of drug in the resultant solution =
=
=
Hence The percentage of drug in the resultant solution is 25% .
Answer:
x = 70; the labeled angles are 110º and 70º.
Step-by-step explanation:
The full degrees will add up to 180º. There are 2x and +40.
Equation:
Solve:
Since x=70, 70+40 will equal to 110.
Therefore, "x = 70; the labeled angles are 110º and 70º." is correct.