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 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

1. A transfer girder is to support one symmetrically located column having a factored load of P (5000+200N) KN and is supported on 600mmx600mm square columns. T
injunctions are frequently used by courts to force employees to complete their contractual obligations with their employers.T/F
Which sentence is more formal? Salmon go upstream to lay eggs and have babies. Salmon swim upstream to find the proper place to spawn, or reproduce. Submit​
Select the correct answer. How does the author develop the character in this excerpt? the underdogs
A 100g apple is falling from a tree. What is the impulse that Earth exerts on it during the first 0. 5s?
C-3. If y=x²-2x-3, then find the range of y when : (ii) x belongs to Real no.​
The perimeter of the base of a square pyramid is 32 inches. The height of the pyramid is 3 inches. What is the surface area
Background information about tropical cyclone Freddy​
what is project planning​
What might have happened if the U.S. did not support these anti-communist dictators