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Pre-Algebra 15 Online
OpenStudy (amber15):

the intensity I of light bulb , measured in watts per square meter (w/m^2) varies inversely as the square of the distance d from the light bulb . suppose I is 70 (w/m^2) when distance is 5m . find the intensity when the distance from the light bulb is 4 m away.

OpenStudy (prepfortears):

i believe the intensity is 56

OpenStudy (amber15):

okay thank you

OpenStudy (amber15):

they want in a fraction

OpenStudy (prepfortears):

I'm not sure, sorry

OpenStudy (amber15):

okay Thank you though

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