From 977d274a14616d88bc6dedc125c81ce51523bb80 Mon Sep 17 00:00:00 2001
From: Angela Wolff <warriorwomenblog@gmail.com>
Date: Thu, 5 Jul 2018 13:17:46 +0100
Subject: [PATCH 1/4] Ch 9 Q1 Answer

---
 ch09-writing-your-own-methods/ask.rb | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ch09-writing-your-own-methods/ask.rb b/ch09-writing-your-own-methods/ask.rb
index 01716eb35..c543d30d0 100644
--- a/ch09-writing-your-own-methods/ask.rb
+++ b/ch09-writing-your-own-methods/ask.rb
@@ -1,3 +1,9 @@
 def ask question
-  # your code here
-end
\ No newline at end of file
+  while true
+    puts question
+    reply = gets.chomp.downcase
+    return true if reply == 'yes'
+    return false if reply == 'no'
+    puts 'Answer yes or no'
+  end
+end

From 21fa8d764c666121c2a7dcb76fad9df59420bcde Mon Sep 17 00:00:00 2001
From: Angela Wolff <warriorwomenblog@gmail.com>
Date: Thu, 5 Jul 2018 15:52:38 +0100
Subject: [PATCH 2/4] Ch 9 Q2 Solution - Old Roman Numerals

---
 .../old_school_roman_numerals.rb                   | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/ch09-writing-your-own-methods/old_school_roman_numerals.rb b/ch09-writing-your-own-methods/old_school_roman_numerals.rb
index ca6589f2d..bc9ea8390 100644
--- a/ch09-writing-your-own-methods/old_school_roman_numerals.rb
+++ b/ch09-writing-your-own-methods/old_school_roman_numerals.rb
@@ -1,3 +1,13 @@
 def old_roman_numeral num
-  # your code here
-end
\ No newline at end of file
+
+  roman_array = []
+  roman_array << 'M' * (num / 1000)
+  roman_array << 'D' * (num % 1000 / 500)
+  roman_array << 'C' * (num % 500 / 100)
+  roman_array << 'L' * (num % 100 / 50)
+  roman_array << 'X' * (num % 50 / 10)
+  roman_array << 'V' * (num % 10 / 5)
+  roman_array << 'I' * (num % 5 / 1)
+  return roman_array.join
+
+end

From 486f58a605badb7247fb6551e1efba08607c3a78 Mon Sep 17 00:00:00 2001
From: Angela Wolff <warriorwomenblog@gmail.com>
Date: Thu, 5 Jul 2018 17:02:56 +0100
Subject: [PATCH 3/4] Ch9 Q3 Roman Numerals - Clunky Solution

---
 .../roman_numerals.rb                         | 45 ++++++++++++++++++-
 1 file changed, 43 insertions(+), 2 deletions(-)

diff --git a/ch09-writing-your-own-methods/roman_numerals.rb b/ch09-writing-your-own-methods/roman_numerals.rb
index 5c93b59ac..75970b8a4 100644
--- a/ch09-writing-your-own-methods/roman_numerals.rb
+++ b/ch09-writing-your-own-methods/roman_numerals.rb
@@ -1,3 +1,44 @@
 def roman_numeral num
-  # your code here
-end
\ No newline at end of file
+  new_roman_array = []
+  thousands = (num / 1000)
+  hundreds = (num % 1000 / 100)
+  tens = (num % 100 / 10)
+  ones = (num % 10 / 1)
+
+  new_roman_array << 'M' * thousands
+
+  if hundreds == 9
+    new_roman_array << 'CM'
+  elsif hundreds == 5
+    new_roman_array << 'D'
+  elsif hundreds == 4
+    new_roman_array << 'CD'
+  else
+    new_roman_array << 'D' * (num % 1000 / 500)
+    new_roman_array << 'C' * (num % 500 / 100)
+  end
+
+  if tens == 9
+    new_roman_array << 'XC'
+  elsif tens == 5
+    new_roman_array << 'L'
+  elsif tens == 4
+    new_roman_array << 'XL'
+  else
+    new_roman_array << 'L' * (num % 100 / 50)
+    new_roman_array << 'X' * (num % 50 / 10)
+  end
+
+  if ones == 9
+    new_roman_array << 'IX'
+  elsif ones == 5
+    new_roman_array << 'V'
+  elsif ones == 4
+    new_roman_array << 'IV'
+  else
+    new_roman_array << 'V' * (num % 10 / 5)
+    new_roman_array << 'I' * (num % 5 / 1)
+  end
+
+  new_roman_array.join
+end

From 57a39bb4323720639f05baf260cee213581a4ab6 Mon Sep 17 00:00:00 2001
From: Angela Wolff <warriorwomenblog@gmail.com>
Date: Thu, 5 Jul 2018 17:10:58 +0100
Subject: [PATCH 4/4] Ch9 Q3 Roman Numerals - Neat Solution

---
 .../roman_numerals.rb                         | 60 +++++++------------
 1 file changed, 21 insertions(+), 39 deletions(-)

diff --git a/ch09-writing-your-own-methods/roman_numerals.rb b/ch09-writing-your-own-methods/roman_numerals.rb
index 75970b8a4..14bd7fbd8 100644
--- a/ch09-writing-your-own-methods/roman_numerals.rb
+++ b/ch09-writing-your-own-methods/roman_numerals.rb
@@ -1,44 +1,26 @@
 def roman_numeral num
-  new_roman_array = []
-  thousands = (num / 1000)
-  hundreds = (num % 1000 / 100)
-  tens = (num % 100 / 10)
-  ones = (num % 10 / 1)
+  values = [
+    [1000, 'M'],
+    [900, 'CM'],
+    [500, 'D'],
+    [400, 'CD'],
+    [100, 'C'],
+    [50, 'L'],
+    [40, 'XL'],
+    [10, 'X'],
+    [9, 'IX'],
+    [5, 'V'],
+    [4, 'IV'],
+    [1, 'I']
+  ]
+  new_roman_array = ""
 
-  new_roman_array << 'M' * thousands
-
-  if hundreds == 9
-    new_roman_array << 'CM'
-  elsif hundreds == 5
-    new_roman_array << 'D'
-  elsif hundreds == 4
-    new_roman_array << 'CD'
-  else
-    new_roman_array << 'D' * (num % 1000 / 500)
-    new_roman_array << 'C' * (num % 500 / 100)
-  end
-
-  if tens == 9
-    new_roman_array << 'XC'
-  elsif tens == 5
-    new_roman_array << 'L'
-  elsif tens == 4
-    new_roman_array << 'XL'
-  else
-    new_roman_array << 'L' * (num % 100 / 50)
-    new_roman_array << 'X' * (num % 50 / 10)
-  end
-
-  if ones == 9
-    new_roman_array << 'IX'
-  elsif ones == 5
-    new_roman_array << 'V'
-  elsif ones == 4
-    new_roman_array << 'IV'
-  else
-    new_roman_array << 'V' * (num % 10 / 5)
-    new_roman_array << 'I' * (num % 5 / 1)
+  values.each do |number, roman|
+    while num >= number
+      new_roman_array << roman
+      num -= number
+    end
   end
 
-  new_roman_array.join
+  new_roman_array
 end