Solve Problems Using Systems in Three Variables
-Three Trains - $40 \mathrm { mph }$

question 223

Multiple Choice

Solve Problems Using Systems in Three Variables
-Three trains - one eastbound, one westbound, and one northbound - leave a city at the same time. The speed of the northbound train is 20 miles per hour greater than the speed of the eastbound train. After 3 hours, the distance between the westbound train and the eastbound train is 300 miles. Twice the speed of the westbound train is 60 miles per hour more than the speed of the northbound train. Find the speeds of the three trains.

• A) eastbound, \(40 \mathrm { mph }\); westbound, \(60 \mathrm { mph }\); northbound, \(60 \mathrm { mph }\)
• B) eastbound, \(50 \mathrm { mph }\); westbound, \(60 \mathrm { mph }\); northbound, \(70 \mathrm { mph }\)
• C) eastbound, \(30 \mathrm { mph }\); westbound, \(70 \mathrm { mph }\); northbound, \(60 \mathrm { mph }\)
• D) eastbound, \(60 \mathrm { mph }\); westbound, \(60 \mathrm { mph }\); northbound, \(40 \mathrm { mph }\)

Calculate equivalent units of production using both the FIFO and weighted average methods.

Distinguish between direct materials, direct labor, and manufacturing overhead in the context of process costing.

Analyze the impact of beginning and ending inventory on process costing calculations.

Understand how to allocate costs to completed and in-process goods.

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Trade Balance

The gap between what a country sells to and buys from other countries in terms of goods and services.