The manager of a coffee shop has one type of coffee that sells for $10 per pound another type that sells for $15 per pound the manager wishes to mix 90 pounds of the $15 coffee to get a mixture that will sell for $12 per pound how many pounds of the $10 coffee should be used

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

40% off the regular price is the correct answer.

step-by-step explanation:

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

answer: group b.

step-by-step explanation: