Elena's daughter sold 84 boxes of girl scout cookies. she was told that this amount represented 5% of the troop's sales. how many boxes did the troop sell?

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step-by-step explanation:

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answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,