Concept explainers
To find: The best equation of line from
That represents best the situation that
The current water level of a swimming pool in Tucson ,Arizona , is 6 feet.The rate of evaporation is
Answer to Problem 42PPS
The equation
Where
x = number of days
y = water level in the swimming pool after x days (in inches)
Explanation of Solution
Given information: The current water level of a swimming pool in Tucson ,Arizona , is 6 feet.The rate of evaporation is
Formula Used: 1 feet = 12 inches
Calculation:
We need to form and equation for the given situation.
Let x represent the number of days
y represent the water level in the swimming pool after x days (in inches)
Since , rate of evaporation is
We have , evaporated water from swimming pool after x days =
Since, the swimming pool had initial water level of 6 feet.
Since, 1 feet = 12 inches
So, 6 feet = 12(6) inches
So, 6 feet = 72 inches
We have , water left in the pool after evaporation of
So, the best suited equation for the water level left in the pool after x days of evaporation (y) is given by :
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