1. There are 28 logs in the bottom layer of a pile of logs, 27 in the nextlayer, 26 in the next, and so on to the top which has 1 log. How manylogs are there in the 15th layer?2. A pile of soft drink bottle caps has 1 cap on the top layer, 2 caps on thenext layer, 3 caps on the next layer and so on. How many caps are therein the pile if it contains 26 piles?

Name: 1. There are 28 logs in the bottom layer of a pile of logs, 27 in the
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Description: 1. There are 28 logs in the bottom layer of a pile of logs, 27 in the nextlayer, 26 in the next, and so on to the top which has 1 log. How manylogs are there in the 15th layer?2. A pile of soft drink bottle caps has 1 cap on the top layer, 2 caps on

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Math

Algebra

1. There are 28 logs in the bottom layer of a pile of logs, 27 in the next layer, 26 in the next, and so on to the top which has 1 log. How many logs are there in the 15th layer?

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Concept explainers

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence. It was invented by German mathematician Carl Friedrich Gauss.

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1. There are 28 logs in the bottom layer of a pile of logs, 27 in the next
layer, 26 in the next, and so on to the top which has 1 log. How many
logs are there in the 15th layer?
2. A pile of soft drink bottle caps has 1 cap on the top layer, 2 caps on the
next layer, 3 caps on the next layer and so on. How many caps are there
in the pile if it contains 26 piles?

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