ironOn.rb

@decalpack={
"a" => 6,
"b" => 3,
"c" => 3,
"d" => 3,
"e" => 3,
"f" => 6,
"g" => 3,
"h" => 3,
"i" => 6,
"j" => 3,
"k" => 3,
"l" => 3,
"m" => 3,
"n" => 3,
"o" => 6,
"p" => 3,
"q" => 3,
"r" => 3,
"s" => 3,
"t" => 3,
"u" => 6,
"v" => 3,
"w" => 3,
"x" => 3,
"y" => 3,
"z" => 3
}
@lettercount = {}
members = ["brice", "mervyn", "vatsal", "robert", "matt", "josh", "sneha"]
members.each do |member|
   member.split('').each do |c|
     @lettercount[c] ? (@lettercount[c]=@lettercount[c] + 1) : (@lettercount[c]=1)
   end
end

def largest_hash_key(hash)
  hash.max_by{|k,v| v}
end

print "Highest Letter count is #{largest_hash_key @lettercount}\n"
@packs = 1
@lettercount.each do |l,cnt|
  targetpacks =  cnt/@decalpack[l]
  if targetpacks > @packs
   @packs = targetpacks
  end
end
print "We need #{@packs} packs https://www.amazon.com/Carefree-Glitter-Letters-Numbers-Transfer/dp/B07LFNGT2Y/ref=sr_1_26?keywords=iron+on+letters&qid=1581576047&sr=8-26\n"