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Phổ biến >

five times a number,subtracted from twenty,is triple the number

Lời Giải

five times a number, subtracted from twenty, is triple the number

Lời Giải

The number : 2 \frac{1}{2}

Các bước giải pháp

Represent the number with

x

A.T.Q.:

20 - 5 x = 3 x

Giải

x, 20 - 5 x = 3 x : x = \frac{5}{2}

Chuyển phân số không thực sự thành hỗn số:

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

The number : 2 \frac{1}{2}

Ví dụ phổ biến

The sqrt(51) is between which two positive consecutive integers the sum of two numbers is 21. twice the smaller number is three more than the larger number the chu vi of a circle is 19pi cm. what is the area in square centimeters in terms of pi Sam bought a suit on sale for 237.60 . This price was 67% less than the original price. What was the original price?The diameter of a circle is 5 ft. Find the chu vi to the nearest tenth.