2 files changed, 26 insertions, 0 deletions
diff --git a/prolog/problems/clp_fd/puzzle_ratio_2/common.py b/prolog/problems/clp_fd/puzzle_ratio_2/common.py
new file mode 100644
index 0000000..ba7585b
--- /dev/null
+++ b/prolog/problems/clp_fd/puzzle_ratio_2/common.py
@@ -0,0 +1,17 @@
+id = 154
+group = 'clp_fd'
+number = 59
+visible = True
+facts = None
+
+solution = '''\
+puzzle_ratio(A, B) :-
+  A #= 5*X,
+  B #= 4*X,
+  X #> 0,
+  A+3 #= 11*Y,
+  B+3 #= 9*Y,
+  Y #> 0,
+  A #< 200,
+  B #< 200,
+  labeling([], [A, B]).'''
diff --git a/prolog/problems/clp_fd/puzzle_ratio_2/en.py b/prolog/problems/clp_fd/puzzle_ratio_2/en.py
new file mode 100644
index 0000000..aa5b647
--- /dev/null
+++ b/prolog/problems/clp_fd/puzzle_ratio_2/en.py
@@ -0,0 +1,9 @@
+id = 154
+name = 'puzzle_ratio/2'
+slug = 'age puzzle: ratio'
+
+description = '''\
+<p>Present ages of <code>A</code> and <code>B</code> are in the ratio of 5:4. In three years the ratio of their ages will become 11:9.</p>
+<p>Write the predicate <code>puzzle_ratio(A, B)</code> that finds the ages of <code>A</code> and <code>B</code>.</p>'''
+
+hint = {}