It cost $52 to use 800 kWh of electricity. How much will 650 kWh cost? July 21, 2021 by Mít Mít It cost $52 to use 800 kWh of electricity. How much will 650 kWh cost?
Hello! $52 ….. 800kWh $x ….. 650kWh _____________ 52/x = 800/650 <=> <=> 52 × 650 = 800x <=> <=> 33800 = 800x <=> <=> 800x = 33800 <=> <=> x = 33800/800 <=> <=> x = 338/8 <=> <=> x = 169/4 <=> <=> x = 42,25$ Good luck! 🙂 Reply
Hello!
$52 ….. 800kWh
$x ….. 650kWh
_____________
52/x = 800/650 <=>
<=> 52 × 650 = 800x <=>
<=> 33800 = 800x <=>
<=> 800x = 33800 <=>
<=> x = 33800/800 <=>
<=> x = 338/8 <=>
<=> x = 169/4 <=>
<=> x = 42,25$
Good luck! 🙂