Instruction 14-10 the Number of Train Passengers Arriving in Adelaide on the on the Overland

Short Answer

Instruction 14-10
The number of train passengers arriving in Adelaide on the Overland on 6 successive Mondays were: 60,72,96,84,36,and 48.
-Referring to Instruction 14-10,the Holt-Winters method for forecasting with smoothing constant of 0.3 for both level and trend will be used to forecast the number of arrivals.The forecast for the twelfth Monday is ________.