The 1st row has 15 chairs.
The 2nd row has 15 + 3 = 18 chairs.
The 3rd row has 18 + 3 = 15 + 2•3 = 21 chairs.
The 4th row has 21 + 3 = 15 + 3•3 = 24 chairs.
The pattern continues, so that the n-th row has 15 + (n - 1)•3 = 3n + 12 chairs.
If there are 15 rows, then the total number of chairs is
where we use the formulas
The numbered list support the purpose of the text as It provides a schedule for runners to follow as they train for a 5K race.
<h3>What is a running schedule?</h3>
A running schedule is known to be a simple formula that is used for any great training in terms of plan.
It includes Training three days a week. Therefore, The numbered list support the purpose of the text as It provides a schedule for runners to follow as they train for a 5K race.
Learn more about training from
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Answer:
they will lose their corn crop
Explanation:
I got it wrong and they showed me the answer
A would be the correct answer
Answer:
the answer is D
Explanation:
i got it right on the practice test
sry for being late
