A flower measured 4 inches. Over the next 6 1/2 years, it grew to be 12 inches. During the 6 1/2 years, what was the average yearly growth rate of the tree.

1696 hundred thousand

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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