Physics
posted by Jim .
Please help!!!!!
What resistance must be placed in parallel with a 152 ohm resistor to make the equivalent resistance 111 ohm?

1/R = (1/R1) + (1/R2)
Plug in R1 = 152 ohms.
Plug in R = 111 ohms.
Solve for R2.
Post your work if you get stuck.