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

How did geography influence the way the Incas ruled the empire?

Does the equator cross the northern or southern part of South America? South America is located mostly in which two hemispheres?

the blueprint for landscaping a yard has a scale of 1/2" to1 foot. if the blueprint is a rectangle 18 inches by 22 inches,what are the dimensions of the yard?

What is larger 0.6 or 3/4 explain?

Which words in this sentence are common nouns? The American people listened to President Roosevelt's speech. Choose all answers that are correct. A. speech B.

help me with this french hw plzz

florence has only $420 in her hank account. describe how to find the amount after she writes a check for $590

this gas makes up close to one fourth of the air surrounding earth

A. Rice costs $1.33 per kilogram. How much will 1.3 kg of rice cost? B. Milk costs $.71 per liter. How many liters can you buy with $3.00 C. How are part (a) a

What is the definition of popular press source?