Question

Twelve percent of the manufactured parts were defective and had to be pulled from the assembly line. Forty-eight defective parts

were pulled from the line. How many total parts were manufactured during this run?
O d) 126
O a) 400
O c) 383
Ob) 48

Answer 1

• a) 400

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Let the number of total parts be x.

12% of x were defective and it is 48 in number.

Find x:

• 0.12x = 48
• x = 48/0.12
• x = 400

Correct choice is A.