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Popular Word Problems >

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

Solution

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

Solution

The numbers : 12, 9

Solution steps

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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