What is the percentage increase in production when valued at 2009 prices is ___21.6______percent. Answer to 1 decimal place.
2008: Lattes 97/$7 each Cappuccinos 53/$5 each
2009: Lattes 114/$8 each Cappuccinos 69/7$ each
The answer is what was given after trying to figure it out, I still can't figure it out even with the answer. Step by step instructions would be help as I have a learning disability.