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Phổ biến Word Problems >

The product of two numbers is 4.2. What are the two numbers if their sum is 4.4?

Lời Giải

T h e p ro d u c t o f tw o n u mb ers i s 4.2. Wha t a re t h e tw o n u mb ers i f t h e i r s u m i s 4.4 ?

Lời Giải

The numbers : 1.4, 3 or 3, 1 \frac{2}{5}

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x y = 4.2

x + y = 4.4

x y = 4.2, x + y = 4.4 : (x = 1.4, y = 3 x = 3, y = \frac{7}{5})

Chuyển phân số không thực sự thành hỗn số:

\frac{7}{5} = 1 \frac{2}{5}

The numbers : 1.4, 3 or 3, 1 \frac{2}{5}

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