If 200 plants were grown and 50 died, what percentage of the plants survived?

• A. 25%
• B. 50%
• C. 75%
• D. 90%

Answer: (C)

To determine the percentage of plants that survived, first, you need to calculate the number of plants that remained alive. If 200 plants were initially grown and 50 died, the number of plants that survived is 200 minus 50, which equals 150 plants.

Next, to find the survival percentage, you take the number of surviving plants (150) and divide it by the initial number of plants (200). This gives you:

[

\text{Survival Rate} = \left( \frac{150}{200} \right) \times 100

]

Carrying out the calculation:

[

\frac{150}{200} = 0.75

]

Multiplying by 100 results in:

[

0.75 \times 100 = 75%

]

Thus, the percentage of plants that survived is 75%. This means that 150 out of the 200 plants survived, confirming that the correct answer is indeed 75%.