sierra998 sierra998

02-07-2017
Mathematics

contestada

A washer and a dryer cost $770 combined. The washer costs $70 more than the dryer. What is the cost of the dryer?

A washer and a dryer cost 770 combined The washer costs 70 more than the dryer What is the cost of the dryer class=

Respuesta :

mreijepatmat mreijepatmat

02-07-2017

Let w = washer and d = dryer:

w + d = $770,
but w = d + 70, replace w with d+70
(d+70) + d = 770
2d + 70 =770
2d = 770 -70 = 700
and d=$350, then w=350+70 = 420

Answer Link

Otras preguntas

whats an equation slop 0.5, passes through(6,4)

What cuts through central China

what is a golgi apparatus

Which resource is a good source of scientific informationA- academic journalsB- online forumsC- tabloidsD- blogs

Why did Chinese and Iberian mariners want to establish a presence in the Indian Ocean during the fifteenth century?

how are circulating air motions different in stable and unstable air?

The Republican free labor ideology: A. won Republicans significant support from non-slaveholders in the South in 1856. B. owed its origins to Abraham Lincol

What are the relationship s are spoken in Confucian?

Write an exponential function with the given characteristics.Reference Point = (1 , 2/3) Would appreciate it if steps to solve the problem were given as well, t

Two reasons why voting in the Democratic People's Republic of Korea, or North Korea, is not representative of a democratic process