diff --git a/exercises/quiz1.rs b/exercises/quiz1.rs
index 8d05b110..6d9d1909 100644
--- a/exercises/quiz1.rs
+++ b/exercises/quiz1.rs
@@ -11,7 +11,13 @@
 // I AM NOT DONE
 
 // Put your function here!
-// fn calculate_price_of_apples {
+fn calculate_price_of_apples(apples: u32) -> u32 {
+    if apples > 40 {
+        apples
+    } else {
+        apples * 2
+    }
+}
 
 // Don't modify this function!
 #[test]