Once upon a time, there is a special 7up store in GUB. If you return three empty bottles to the shop, you’ll get a full bottle of 7up to drink. If you have N empty bottles right in your hand, how many full bottles of 7up can you drink? Let me tell you how to drink 5 full bottles with 10 empty bottles: get 3 full bottles with 9 empty bottles, drink them to get 3 empty bottles, and again get a full bottle from them. Now you have 2 empty bottles. Borrow another empty bottle from the shop, then get another full bottle. Drink it, and finally return this empty bottle to the shop
Once upon a time, there is a special 7up store in GUB. If you return three empty bottles to the shop, you’ll get a full bottle of 7up to drink. If you have N empty bottles right in your hand, how many full bottles of 7up can you drink? Let me tell you how to drink 5 full bottles with 10 empty bottles: get 3 full bottles with 9 empty bottles, drink them to get 3 empty bottles, and again get a full bottle from them. Now you have 2 empty bottles. Borrow another empty bottle from the shop, then get another full bottle. Drink it, and finally return this empty bottle to the shop
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter5: Linear Inequalities
Section5.1: Solving Inequalities By Addition And Subtraction
Problem 57PFA
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Once upon a time, there is a special 7up store in GUB. If you return three empty bottles to the shop, you’ll get a full bottle of 7up to drink. If you have N empty bottles right in your hand, how many full bottles of 7up can you drink? Let me tell you how to drink 5 full bottles with 10 empty bottles: get 3 full bottles with 9 empty bottles, drink them to get 3 empty bottles, and again get a full bottle from them. Now you have 2 empty bottles. Borrow another empty bottle from the shop, then get another full bottle. Drink it, and finally return this empty bottle to the shop
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