sbrackett727p6s7p5
sbrackett727p6s7p5 sbrackett727p6s7p5
  • 16-04-2018
  • Physics
contestada

help with 26 please:):)

help with 26 please class=

Respuesta :

alleann02
alleann02 alleann02
  • 28-04-2018
$0.080 per kWh

25W porch light

a day = 24hrs

365 days in a year = 8760hrs


1) convert 25W to kW

0.025kW in the porch light



2) kW in a year

0.025kW × 8760hrs = 219 kWh in a whole year



3) money

$0.080 × 219kWh = $17.52







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