Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.The sum of the two original numbers is

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 19:20:29
Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.The sum of the two original numbers is

Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.The sum of the two original numbers is
Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.
The sum of the two original numbers is

Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.The sum of the two original numbers is
Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.
The sum of the two original numbers is
【两数之比为2:3,当每个数加上4时,新的两数之比为5:7,求原来两数之和】
假设原数为x y
x/y=2/3 >> 3x=2y >> x=2y/3
(x+4)/(y+4)=5/7 >>7x+28=5y+20 >>14y/3+28=15y/3+20
y/3=8
y=24
x=16
所以原来两数和为24+16=40

两个数的比为2:3,如果每个数都加4则比为5:7,则这两个数的和等于:40

40

The sum of two numbers is just the poduct of these two numbers in the mirror .What are these two numbers?的中文是什么? The sum of two numbers is just the product of these two numbers in the mirror .what are thses twonubers there are two t.students ithere are two t. students in my school Two and four are ( ) numbers 填odd还是even Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.The sum of the two original numbers is 晕乎乎了~T^T求助大侠数学题2、What are the last two digits of the2、What are the last two digits of the number which is formed by multiplying all the odd numbers from 1 to 1000000? Write a program which allows the user to enter a list of numbers.Write a program which allows the user to enter a list of numbers,then works out whether there are any two numbers in the list which sum to 100.Hint:you could loop through the numbers in 杭电acm 1097T 这个代码为什么错误?InputThere are mutiple test cases. Each test cases consists of two numbers a and b(0 英语翻译1.The sum of two numbers is 23.If the greater number is cut in half and the lesser number is tripled,the sum of the two numbers is 34.What is the product of the two numbers?2.Hayden eats triple the number of waffles as Krista.Krista has t there are( )numbers in a mobile phone number in china? 英语智力题高手进.1.Three of me is a hundred less one.What am I ( )2.If take four away from me,I'mfour more than twelve.What am I ( )3.There are three numbers in me.You can get eight if you put three numbers together.Two of the numbers are the 1.Stop signs tell cars to stop.This forgot to stop and crashed.Is the driver ​in t( )now?in t( )now?Yes,he should have read the sigh.2.Some signs are numbers.The numbers on your house tell where you live.The numbers on your library books are k( Americans are having them in ever-increasing numbers.变...中国话 翻译……翻译……手动……机器翻译咱不要!Here are eight empty circles in this chart.Now fill in the circles with the numbers 1,2,3,4,5,6,7,8.But you must not put two numbers follow each other (e.g. 1 and 2 or 2 and 3) in two circles 关于英文数学题the product of two numbers,differing by 7 is 60 find the two numbers if they are positive each picture is a view of the same cube What are the two missing numbers? 英语翻译1、Did you know?In the decimal number system (base 10) ten different digits,0 to 9,are used to write all the numbers.In the binary number system (base 2) two different digits are used,i.e.0 and 1.Which one of the following numbers is not There are two numbers,Neither of them is a multiple of the other.Find two pairs of possible values