Question

The illumination I from a light varies inversely as the square of its distance d from the illuminated object. If I = 8.00 ft-candles when d = 5.00 ft, what is I when d = 4.00 ft?

Answer 1

Michael I responded to your other question

Answer 2

I don't know if you're just checking answers or if you need actual explanations

Answer 3

actually both. Im in need of answers and explanations of how im supposed to do this. i need it for school to graduate. i have 2 weeks left to finish a semster of alegbra and a semster of geomatry. so im looking for all the help i can get.