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Popolare Word Problems >

The sum of two numbers is 30 and their differenza is 12.

Soluzione

T h e s u m o f tw o n u mb ers i s 30 an d t h e i r d i ff ere n ce i s 12.

Soluzione

The numbers : 21, 9

Fasi della soluzione

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 30

x - y = 12

x + y = 30, x - y = 12 : x = 21, y = 9

The numbers : 21, 9

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