Solve.The initial weight of a starving animal is W0. Its weight after t days is given by 
What percentage of its initial weight remains after 22 days?
A. 84.2%
B. 89.6%
C. 10.4%
D. 93.2%
Answer: B
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The grade of a highway up a hill is 25%. How much change in horizontal distance is there if the vertical height of the hill is 150 feet? Express the answer to the nearest foot.
A. 619 ft B. 600 ft C. 500 ft D. 610 ft E. 575 ft
Solve the equation.21 = -16 + x
A. x = 5 B. x = -5 C. x = -37 D. x = 37
Write the statement in symbolic form.Let p: The outside humidity is low. q: The central humidifier is running. r: The air in the house is getting dry.It is false that if the air in the house is getting dry, then the central humidifier is not running.
A. ~ (r ? ~ q) B. ~ r ? ~ q C. ~ (r ? q) D. ~ (r ? ~ q)
Solve the problem.The population of a town was 30,200 at the beginning of 1970. If the population decreased 300 people per year, how many people lived in the town at the beginning of 1985?
A. 4500 B. 25,700 C. 25,400 D. 26,000