Solve the problem and answer the question.One conveyor belt can move 1000 boxes in 12 minutes. Another can move 1000 boxes in 6 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 
min
B. 12 min
C. 1
min
D. 
min
Answer: B
You might also like to view...
Solve the equation.21b + 24 = -11b
A. 
B. - 
C. - 
D. - 
Solve the problem.Julian's grocery bill was $9.43. He gave the clerk a $20 bill. How much change should he receive?
A. $10.57 B. $9.43 C. $10.56 D. $9.57
The number of persons aged 18-64 receiving disability benefits through Social Security, the Supplemental Security income, or both, from 1990 through 2000 is approximated by the function 
where 
is measured in units of a million and t is measured in years,
with 
corresponding to the beginning of 1990.
?
Compute 
. Round the answers to the nearest thousandth.
?
__________ million
?
__________ million per year
?
__________ million per year in the second power
What will be an ideal response?
In an endeavor to curb population growth in a certain country, the government has decided to launch an extensive propaganda campaign. Without curbs, the government expects the rate of population growth to have been
?
?
thousand people per year t years from now, over the next 5 years. However, successful implementation of the proposed campaign is expected to result in a population growth rate of
?
?
thousand people per year t years from now, over the next 5 years. Assuming that the campaign is mounted, how many fewer people will there be in that country 5 years from now then there would have been if no curbs had been imposed?
?
Please round your answer to the nearest integer number of thousands.
?
A. 43 thousand people
B. 42 thousand people
C. 47 thousand people
D. 56 thousand people
E. 53 thousand people