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受欢迎的 Word Problems >

Find three consecutive numbers whose sum is 219.

解答

F in d t h ree co n sec u t i v e n u mb ers w h ose s u m i s 219.

解答

The numbers : 72, 73, 74

求解步骤

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 = 219

解

x + x + 1 + x + 2 = 219 : x = 72

x + 1 = 72 + 1 = 73

x + 2 = 72 + 2 = 74

The numbers : 72, 73, 74

流行的例子

Seven more than the quotient of a number and 9 equals 2 .fine two consecutive odd integers whose sum is-88.a number, times four minus nine, is one Estimating the sum or 差集 of two numbers written in scientific notation Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 234. How old is Joe?