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#30900

average

statistics

data analysis

hard

90 sec

A company has two production lines, Line A and Line B. Line A produced 40 units in a day, and Line B produced 60 units in the same day. The average production cost per unit for all 100 units combined from both lines was $65. If the average production cost per unit for Line B was $70, what was the average production cost per unit for Line A?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.