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

What is the solution of the equation? (Explain how you got that answer) 7/10 x + 5 = 9

what was the proclamation of neutrality?

Approximately how many centimeters are in 54 ft? Note: 2.54 cm≈1 in. a.11.34 cm b.255.12 cm c.1296 cm d.1645.92 cm

Ms.Tao flies round-trip twice yearly between Jacksonville and Los Angeles on business.The distance between the two cities is 2,150 miles.Estimatethe distance sh

Ben has a collection of 812 stamps. He gives his brother 345 stamps. About how many stamps Ben have left?

which of the following is the largest distance? centimeter millimeter decimeter kilometer

Which Supreme Court decision denied the right of states to take tribal lands but was ignored by President Andrew Jackson?

yon buys tickets to a concert for himself and a friend. there is a tax of 6% on the price of the tickets and an additional booking fee of $20 for transaction. w

So how do you go about doing these?

A certain virus infects one in every 200 people. If a person tests positive, what is the probability that the person is infected?