A person who is 5 ft tall is walking away from a lamppost at a rate of \math-container{30} ft per minute. At the moment that they are {10} ft away, their shadow is \math-container{20} ft long. Find the rate at which the length of the shadow changes when the person is 30 ft from the lamppost.

step-by-stp

the correct answer is the section c

add the table and i will answer correctly

step-by-step explanation:

do i do it on a graph?

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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