APFIVE Calculating Percent Decrease In Chlorophyll
In a study on the effects of acid deposition on vegetation, the chlorophyll concentration in plant leaves is given by $$C(pH)=120-15*(7-pH)$$. If the pH drops from 7 to 5, by what percentage does the chlorophyll concentration decrease?
| pH | Chlorophyll (units) |
|---|---|
| 7 | 120 |
| 5 | 90 |
A
25% decrease
B
16.67% decrease
C
20% decrease
D
33.33% decrease
Question Leaderboard
Not enough data yet to show leaderboard.