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Digital SAT
Digital SAT Mathematics - Calculator Section

Plant Growth Rate Ratio Problem

Very Hard Problem Solving And Data Analysis Data Interpretation

A researcher conducted an experiment on the growth rates of two species of plants, A and B, under varying conditions of sunlight and water. The data collected over four weeks is summarized in the following table:

WeekSpecies A Growth (cm)Species B Growth (cm)
123
245
367
489

Using the data above, calculate the average growth rate of each species over the four weeks, and determine the ratio of the average growth rate of Species A to that of Species B.

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