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Popolare Word Problems >

the sum of two numbers is 21. Three times the larger is four times the smaller. find the numbers

Soluzione

t h e s u m o f tw o n u mb ers i s 21. T h ree t im es t h e l a r g er i s f o u r t im es t h e s ma ll er . f in d t h e n u mb ers

Soluzione

The numbers : 12, 9

Fasi della soluzione

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 21

3 x = 4 y

x + y = 21, 3 x = 4 y : x = 12, y = 9

The numbers : 12, 9

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9 is 0.33 of what number A third of a number increased my 10 is 13. find the number.Find the future value and interest earned if 8706.54 is invested for 9 years at 5% compounded continuously the product of seven and a number equals eleven Your inheritance will pay you 100000 a year for five years beginning now. You can invest it in a CD that will pay 7.75 percent annually.What is the present value of your inheritance?