Answer:
40x^3 -10x
Step-by-step explanation:
Used math-way to solve this! I'm sorry if wrong, x
Number of cone left is 75 cone
<u>Given that;</u>
Cost of each cone = $3.75 each
Starting number of cone = 300
Total amount earn = $843.75
<u>Find:</u>
Number of cone left
<u>Computation:</u>
Number of cone sale = Total amount earn / Cost of each cone
Number of cone sale = 843.75 / 3.75
Number of cone sale = 225 cone
Number of cone left = Starting number of cone - Number of cone sale
Number of cone left = 300 - 225
Number of cone left = 75 cone
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The question mark is 100. It is a variable if you don't know
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The answer is D. There is a positive correlation between the hours studied and grades earned.