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steven0448
18.03.2021 •
Mathematics
DIFFERENT TYPES OF LIGHT BULBS
Cost
Type of Bulb
Incandescent
$0.50
$1.50
Compact Florescent
Lamp (CFL)
Light Emitting Diode
(LED)
Life Span
Approximately
1,000 hours
Approximately
10,000 hours
Approximately
25,000 hours
$10
1. The table above shows the cost of the life span
of
several different types of light bulb. What is the ratio
of the cost, in cents per hour of life span, of a com-
pact florescent lamp to that of a light emitting diode?
A) 1.5 to 5
B) 3 to 8
C) 3 to 10
D) 4 to 5
Solved
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Ответ:
Answer is in the file below
cutt.ly/tz3yDpb
Ответ:
A
Step-by-step explanation: