Plz helppppp I really don’t get it
1 answer:
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Answer:
2.29 inches/hour
Step-by-step explanation:
Given that the candle burns at a constant rate.
After time 2.7 hours, candle was 14.3 inches tall.
After time 7.1 hours, candle was 4.2 inches tall.
To find:
The constant rate at which the candle burn.
Solution:
Let the length be represented by and time be represented by
.
Let the constant rate be .
and the initial length be
The equation can be written as:
At = 2.7 hours ,
= 14.3 inches
At = 7.1 hours ,
= 4.2 inches
Equation (1) minus (2):
The candle burns at the rate of <em>2.29 inches/hour</em>.