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Phổ biến Word Problems >

The sum of three consecutive numbers is 861. What are those numbers?

Lời Giải

T h e s u m o f t h ree co n sec u t i v e n u mb ers i s 861. Wha t a re t h ose n u mb ers ?

Lời Giải

The numbers : 286, 287, 288

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 = 861

Giải

x + x + 1 + x + 2 = 861 : x = 286

x + 1 = 286 + 1 = 287

x + 2 = 286 + 2 = 288

The numbers : 286, 287, 288

Ví dụ phổ biến

24 is 60% of what number What is the volume of a sphere with a đường kính of 2.8 cm, rounded to the nearest tenth of a cubic centimeter 7 times a number increased by 4 if the diện tích of a square is 81cm2 find its length 10% of what number is 22