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Phổ biến Word Problems >

the sum of three consecutive numbers is eighty-four. what is the smallest number

Lời Giải

the sum of three consecutive numbers is eighty-four. what is the smallest number

Lời Giải

The smallest number : 27

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

x + x + 1 + x + 2 = 84

Giải

x + x + 1 + x + 2 = 84 : x = 27

x + 1 = 27 + 1 = 28

x + 2 = 27 + 2 = 29

Select the smallest solution:

27

The smallest number : 27

Ví dụ phổ biến

The hiệu of four times a number and 8 is 15 Let x represent one number and let y represent the other number. Use the following conditions to write a system of nonlinear equations. Solve the system and find the numbers. The sum of two numbers is 17 and the product of the two numbers is 72. The two numbers are (Use a comma to separate answers as needed.)one number is four times another number. Their sum is 95. What are the numbers?the sum of-3 and a number what is 19 percent out of 36 percent