Solve the problem. First use front end rounding. Then find the exact answer.Find the total amount Lisa stashed in an envelope on her dresser if she placed $485 there at the end of each week, for 3 weeks.
A. Estimate: $1500; exact: $1470
B. Estimate: $1470; exact: $1455
C. Estimate: $1470; exact: $1470
D. Estimate: $1500; exact: $1455
Answer: D
You might also like to view...
FInd the tangential and normal components of the acceleration.r(t) = (t2 - 8)i + ( 2t - 5)j + 6k
A. a = 
T + 
N
B. a = 
T + 
N
C. a = 
T + 
N
D. a = 
T + 
N
The following table gives the weight in ounces of the eight Alaskan Malamute puppies born to Justin and Misty on December 28, 2007:
What is the average weight of the first four puppies born?
A. 6
oz
B. 6
oz
C. 7 oz
D. 4
oz
To win the World Series, a baseball team must win 4 games out of a maximum of 7 games. To solve the problem, list the possible arrangements of losses and wins.How many ways are there of winning the World Series in exactly 7 games if the winning team wins the first game?
A. 20 ways B. 12 ways C. 8 ways D. 10 ways
Write a symbolic representation for the linear function f that computes the following.The cost of renting a car for x days with a total of 80 miles if there is a fixed charge of $27 per day and a charge of $0.25 per mile.
A. f(x) = 27x + 0.25 B. f(x) = x + 20 C. f(x) = 27x + 20 D. f(x) = 80x + 27