typo fix wetlands exercise

rhinopotamus · Nov 21, 2024 · 187b23f · 187b23f
1 parent 545085c
commit 187b23f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/ex-Exp_growth_decay.ptx b/source/ex-Exp_growth_decay.ptx
@@ -350,7 +350,7 @@
 	<exercise xml:id="wetlands-growth-decay" component="not-workbook">
 		<introduction>
 			<p>
-				One modern technique for cleaning waste water involves the use of constructed (man-made) wetlands. Wetlands act as a natural biofilter for various contaminants in the waste water. After each month in the wetlands, only about of the contaminants remain in any given sample. Suppose a sample had 8 grams of contaminants before it was processed in the constructed wetlands.
+				One modern technique for cleaning waste water involves the use of constructed (man-made) wetlands. Wetlands act as a natural biofilter for various contaminants in the waste water. After each month in the wetlands, only about 1/4 of the contaminants remain in any given sample. Suppose a sample had 8 grams of contaminants before it was processed in the constructed wetlands.
 			</p>
 			<p>
 				<em>