kinsleykuchar6091 kinsleykuchar6091
  • 22-02-2022
  • Mathematics
contestada

An old light bulb uses 60 watts of power, but a new LED bulb uses only 9 watts. What is the percent change?

Respuesta :

adritashifa2sister adritashifa2sister
  • 22-02-2022

Answer: 85%

Step-by-step explanation:

Percent of change formula is (old - new / old) * 100

So then you input the numbers

60 - 9

——— *100

60


51

— *100

60

= 0.85(100)

85%


Hope this helps!

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