Answer :
The change in elevation is calculated by multiplying the grade, expressed as a decimal, by the horizontal distance. In this case, the result is 93.75 feet. So, the correct answer is b. 93.75 feet.
The subject of this question is Mathematics, specifically dealing with percentage and simple linear measurements. To calculate the change in elevation, you multiply the grade (expressed as a decimal) by the horizontal distance. The grade percentage given is 6.25%, which converts to 0.0625 in decimal form. Multiply this by the horizontal length which is 1500 feet.
Calculation:
0.0625 * 1500 = 93.75 feet
So, the change in elevation is 93.75 feet.
Therefore, the correct answer among the options provided is b. 93.75 feet.
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