Question 1101550
[ total cost in cents / hours of use ] / [ cents ] / [ kw x hrs ] = [ kw ]
{{{ ( 180 / (( 31*14 )) ) / 6.9 }}}
{{{ ( 180 / 434 ) ) / 6.9 }}}
{{{ 180 / 2994.6 = .0601 }}} kw
{{{ .060*1000 = 60 }}}
( 1000 watts = 1 kw )
The lamp is 60 watts
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