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elena-s [515]
3 years ago
12

A collection of books is set up into 34 rows. The first row has 96 books, and each row after that one

Mathematics
2 answers:
Tresset [83]3 years ago
8 0

Answer:

Part A: 3197

Part B: 62

Step-by-step explanation:

Part A: To make this easier just multiply 96 books by 34 rows which is 3264 books, but then since you are taking away 2 books for every row, multiply 2 by the 34 rows which is 68 but since the first row starts at 96 we will take away 1 row from the 68 which is 67. Then subtract 67 from the 3264 books and get 3197 books.

Part B: To make this easier just multiply 17 by 2 since we know for every row, 2 books are taken away and that equals 34 so subtract 34 from 96 and get 62.

Vladimir79 [104]3 years ago
4 0

Answer:

a(17) = 64

Step-by-step explanation:

you can create an arithmetic sequence formula as follows:

a(n) = a(1) + d(n-1)   where a(1) is the first value and d is the common difference

a(17) = 96 -2(17-1)

a(17) = 96 - 32

a(17) = 64

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