If anyone knows how to do either of the questions below, please let me know - thanks!
The temperature of a certain cub of coffee 10 minutes after it was poured was 120 degrees Fahrenheit. If the temperature F of the coffee t minutes after it was poured can be determined by the formula F = 120(2^-at) + 60, where F is in degrees Fahrenheit and is a constant, then the temperatre of the coffee 30 minutes after it was poured was how many degrees Fahrenheit?
(A) 65
(B) 75 (this is the answer)
(C) 80
(D) 85
(E) 90
The total of Company C's assets in 1994 was 300 percent greater than the total in 1993, which in turn was 400 percent greater than the total in 1992. If the total of Company C's assets in 1992 was N dollars, which of the following represents tht toal of Company C's assets, in dollars, in 1994?
A) 7N
B) 8N
C) 9N
D) 12N
E) 20N (this is the answer)
The answer is E, but I think it should be D.
The temperature of a certain cub of coffee 10 minutes after it was poured was 120 degrees Fahrenheit. If the temperature F of the coffee t minutes after it was poured can be determined by the formula F = 120(2^-at) + 60, where F is in degrees Fahrenheit and is a constant, then the temperatre of the coffee 30 minutes after it was poured was how many degrees Fahrenheit?
(A) 65
(B) 75 (this is the answer)
(C) 80
(D) 85
(E) 90
The total of Company C's assets in 1994 was 300 percent greater than the total in 1993, which in turn was 400 percent greater than the total in 1992. If the total of Company C's assets in 1992 was N dollars, which of the following represents tht toal of Company C's assets, in dollars, in 1994?
A) 7N
B) 8N
C) 9N
D) 12N
E) 20N (this is the answer)
The answer is E, but I think it should be D.
