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Phổ biến Word Problems >

One number is 7 less than another. Their sum is 75 . Find the numbers.

Lời Giải

O n e n u mb er i s 7 l ess t han an o t h er . T h e i r s u m i s 75 . F in d t h e n u mb ers .

Lời Giải

The numbers : 34, 41

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = y - 7

x + y = 75

x = y - 7, x + y = 75 : x = 34, y = 41

The numbers : 34, 41

Ví dụ phổ biến

nine minus half a number The sum of three numbers is 19. The sum of twice the first number, 3 times the second number, and 4 times the third number is 59. The:difterence between 6 times the first number and the second number is 31 . Find the three numbers.:first number:six subtracted from a number The sum of twice a number and 14 less than the number is the same as the hiệu between-30 Gabrielle is 13 years older than Mikhail. The sum of their ages is 81 . What is Mikhail's age?