Rick Has Created the Chart Above Outlining the Information He

Multiple Choice

Rick has created the chart above outlining the information he has on producing toy trains. He will create a two-dimensional chart to visualize the information. Please refer to the chart above as you answer the questions below.
-Rick now needs to determine the required finished time. The correct mathematical model is ____.

A) Required finishing time = (0.20 x (Model I quantity) ) + (0.50 x (Model II quantity) )
B) Required finishing time = (0.20 x (Model I quantity) ) x (0.50 x (Model II quantity) )
C) Required finishing time = (0.20 x (Model I quantity) ) - (0.50 x (Model II quantity) )
D) Required finishing time = (0.20 + 0.50) x (Model I quantity + Model II quantity)