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受欢迎的 Word Problems >

Find the value of two numbers if their sum is 19 and their 差集 is 5

解答

F in d t h e v a l u e o f tw o n u mb ers i f t h e i r s u m i s 19 an d t h e i r d i ff ere n ce i s 5

解答

The numbers : 12, 7

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 19

x - y = 5

x + y = 19, x - y = 5 : x = 12, y = 7

The numbers : 12, 7

流行的例子

the 差集 between 17 and a number is 9.The sum of two numbers is 48. One number is 3 times as large as the other. What are the numbers?The sum of a number times 3 and 17 is at most 29.The sum of a number times 8 and 28 is at least-23.Seven times the sum of a number and 20 is at most 24 .