Question

A theater has 20 rows of seats. If there are 4 seats in the 1st row 12 in the 2nd row, 20 in the 3rd row . How many seats are there in total? Show and explain all work.

Answer 1

Answer:

164 seats

Step-by-step explanation:

you make the equation 4+ 8X to deteremine the seats and x equals the rows and you get your answer.

Answer 2

Answer:

156 seats

Step-by-step explanation:

since you are adding 8 seats for each row you go up on, it will be 28 for the 4th row, 36 for the 5th, 44 for the 6th, 52 for the 7th, 60 for the 8th, 68 for the 9th, 76 for the 10th, 84 for the 11th, 92 for the 12th, 100 for the 13th, 108 for the 14th, 116 for the 15th, 124 for the 16th, 132 for the 17th, 140 for the 18th, 148 for the 19th, and 156 for the 20th.