Suppose th $y = \frac { 2 - \log ( 100 - x ) } { 0.30 }$ can be used to calculate the number of years y for x percent of a population of 759 web-footed sparrows to die. Approximate the percentage (to the nearest whole per cent) of web-footed
Sparrows that died after 3 years.
A) 89%
B) 83%
C) 87%
D) 85%

Question

Quizplus · Accepted Answer

To find the percentage of sparrows that died after 3 years, substitute y = 3 into the equation and solve for x. This gives x ≈ 87%.

Suppose Th y=2−log⁡(100−x)0.30y = \frac { 2 - \log ( 100 - x ) } { 0.30 }y=0.302−log(100−x)​

Suppose Th $y = \frac { 2 - \log ( 100 - x ) } { 0.30 }$