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Phổ biến Word Problems >

The sum of two consecutive numbers is 72 . What are the numbers?

Lời Giải

T h e s u m o f tw o co n sec u t i v e n u mb ers i s 72 . Wha t a re t h e n u mb ers ?

Lời Giải

The numbers : 35 \frac{1}{2}, 36 \frac{1}{2}

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x + x + 1 = 72

Giải

x + x + 1 = 72 : x = \frac{71}{2}

x + 1 = \frac{71}{2} + 1 = \frac{73}{2}

Chuyển phân số không thực sự thành hỗn số:

\frac{71}{2} = 35 \frac{1}{2}

Chuyển phân số không thực sự thành hỗn số:

\frac{73}{2} = 36 \frac{1}{2}

The numbers : 35 \frac{1}{2}, 36 \frac{1}{2}

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