Two Factory plants making TV panels. Plant “A” produced 4 times as many panels as Plant B. Four percent of the panels from Plant A and 2 percent of the panels from Plant B were defective. How many panels did Plant A produce, if the two plants together produced 1800 defective panels?

Question

Two Factory plants making TV panels. Plant “A” produced 4 times as many panels as Plant B. Four percent of the panels from Plant A and 2 percent of the panels from Plant B were  defective. How many panels did Plant A produce, if the two plants together produced 1800 defective panels?

anonymous · Answer

1)Find Given info:
Given:
A= 4x,
B=x 
Defective:
 A=4%/100% =.04 
 B=2%/100%=.02
Total Defective= 1800

2) Write equation.
4x(.04)+x(.02)= 1800

3)Solve for x.