HELP!
Two factory plants are making TV panels. Yesterday, Plant A produced 3 times as many panels as Plant B. Three percent of the panels from Plant A and 2% of the panels from Plant B were defective. How many panels did Plant B produce, if the two plants together produced 1210 defective panels?

Question

HELP!
Two factory plants are making TV panels. Yesterday, Plant A produced 3 times as many panels as Plant B. Three percent of the panels from Plant A and 2% of the panels from Plant B were defective. How many panels did Plant B produce, if the two plants together produced 1210 defective panels?

misty1212 · Answer

ick i hate word problems 
don't you ?

misty1212 · Answer

we need some sort of variable
lets pick $x$ for the number of panels plant B produced, since that is what you are supposed to find

misty1212 · Answer

2% of them are defective, and 2% of $x$ is $0.02x$

misty1212 · Answer

plant A produced 3 times as many, or $3x$ and 3% of those are defective so $$0.03\times 3x$$ are

misty1212 · Answer

the total is 1210 solve $$0.02x+.03\times 3x=1210$$