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Popolare Word Problems >

twice the sum of two numbers is 32. Three times the differenza between the two numbers is-6. What are the two numbers

Soluzione

tw i ce t h e s u m o f tw o n u mb ers i s 32. T h ree t im es t h e d i ff ere n ce b e tw ee n t h e tw o n u mb ers i s - 6. Wha t a re t h e tw o n u mb ers

Soluzione

The numbers : 7, 9

Fasi della soluzione

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

2 (x + y) = 32

3 (x - y) = - 6

2 (x + y) = 32, 3 (x - y) = - 6 : x = 7, y = 9

The numbers : 7, 9

Esempi popolari

two times a number decreased by 5 The sum of the squares of 2 consecutive even integers is 20 Find two consecutive whole numbers that sqrt(32) lies between.Samir is saving up money to buy a car. Samir puts 7,000.00 into an account which earns 13% interest, compounded monthly. How much will he have in the account after 9 years?the initial value of an investment is 15,000. if the investment earns an annual rate of 1.1%. what is its value in 8 years?