Abby is surveying people in the city about their interest in a new shopping mall. She found that 180 people, or 37.5% of those surveyed, do not want a new mall. How many people did Abby survey? Include the label "people" in your answer.

Step-by-step explanation:

37.5% = 180people

100% = 180/37.5 x 100 = 480

480 people

Topic: percentage

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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: