In an auditorium, the first row of seats has 30 seats. each row behind the first row has 4 more seats then the row in front of i t. how many seats will the 25th row have? ANSWER THAT PLEASE<<<<
1 answer:
Answer:
126
Step-by-step explanation:
Row 1: 30+0*4
Row 2: 30+1*4
Row 3: 30+2*4
...
The list goes on. Do you see a pattern here? If we call the row number as r, the formula is 30+(r-1)*4. In the 25th row, the r is 25. So in the formula, it is 30+(25-1)*4=30+24*4=126.
I hope that helped.
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Step-by-step explanation:
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Step-by-step explanation:
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