The manager at the concession stand offers drinks for sale at nine different prices. The manager recorded the price each time an item was sold in a three-hour time period and created a dot plot to display the data.

Items sold at the concession stand

Describe the data from the dot plot.

How many total drinks were sold in the three-hour time period?

b

the answer is 1030 it's very simple math.

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like: