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

What did Galileo think the bulges on either side of Saturn were cause by?

All the following were important abolitionists EXCEPT (A) David Walker (B) Frederick Douglass (C) William Lloyd Garrison (D) Sarah Bagley

why is the Khmer Empire called a "seed of culture" a.many southwest Asian traditions grew out of that culture b. many new crops grew during that time period c.

As a citizen, it is important that ones opinions are?

What is 0.89 rounded to the nearest tenth??

what is air currents caused by temperature differences

In "My Father Is a Simple Man," what do the lines "and when the bitter-hard reality / comes at me like a punishing / evil stranger" contain? A. a rhyming couple

How do living things affect one another ?

Slime moulds (Acrasiomycota) are protoctists. They feed on decaying organic matter, bacteria and protozoa. I. Detritivore II. Autotroph III.

Factor completely. 15a² + 55a - 20 A. 5(3a² + 11a - 4) B. 5(a + 4)(3a - 1) C. (5a + 2)(3a - 10) D. (5a + 4)(3a - 5)