lillian121827
contestada

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 it. how many seats will the 25th row have? ANSWER THAT PLEASE<<<<

100 points bruh help me.

Respuesta :

Midnight0517

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.