Seudónimo Seudónimo

01-10-2015
Mathematics

contestada

The cost of 2 tv and 3 DVD player is $1421. The cost of 1 dvd is half of the tv. What's the cost of the tv

Respuesta :

crisforp crisforp

01-10-2015

The cost of one tv is double than cost of one DVD;

The cost of 2 tv is 4 times more cost one DVD ;

The cost of 2 tv and 3 DVD player is 7 times more cost one DVD ;Then, 1 DVD cost 1421 ÷7 = 201 $ ;
1 tv cost = 2 * 201 = 402 $ ;

Answer Link

Otras preguntas

If the graph of f(x)=x2, how will the graph be affected if it is changed to f(x)=3x2?

The energy levels of a quantum particle-in-a-box ______ as the quantum number increases.

Explain in your own words why there is uncertainty in science. What can scientists do to reduce uncertainty in science?

how do YOU view Robespierre, why?

Why did seemingly educated people feel that it was all right to belittle others because of their skin color? Explain your answer.

Nominal gross domestic product (gdp) is a poor measure of economic growth because it?

For fluid resuscitation in hemorrhagic shock, give about _____ of crystalloid for every _____ of blood lost.

factor the gratest common factor: -5k^2+20k-30

Paul Pelosi to be arraigned on DUI causing injury charges Wednesday Paul Pelosi, the husband of House Speaker Nancy Pelosi, D-Calif., is scheduled to be arraign

Satellite imaging allows scientists to observe _______. a. where deforestation has removed the trees b. where deforestation has occurred but is recovering c. wh