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Phổ biến Word Problems >

The product of two consecutive odd integers is 255. Find the integers.

Lời Giải

T h e p ro d u c t o f tw o co n sec u t i v e o dd in t e g ers i s 255. F in d t h e in t e g ers .

Lời Giải

The numbers : 15, 17 or - 17, - 15

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x (x + 2) = 255

Giải

x (x + 2) = 255 : x = 15, x = - 17

Thay

x = 15 : 17

Thay

x = - 17 : - 15

The numbers : 15, 17 or - 17, - 15

Ví dụ phổ biến

3 times the hiệu between a number and 3 is equal to 15 find the đường kính of a circle with an area 16pi square millimeter Megan is 30 years younger than Bob. Erik is 74. Keenan is 22 years younger than Erik and 4 years older than Bob. How old is Bob?Eight less than a certain number is 2 more than three times the number.4% of what number is 35?