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

Suppose that a normal distribution has a mean of 20 and a standard deviation of 4. What is the z-score of 13?

The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?

Write the equation of a line with the slope of 5 which contains the point (2,8) Show all work to receive credit for this problem.

What is the value of x?

What are the phases of the cell cycle in order, immediately following mitosis? Select one: a. G1, S, G2, M b. S, M. G1, G2 c. G2, G1, S, M d. G1, G2, S, M

Water has a mass per mole of 18.0 g/mol, and each water molecule (h2o) has 10 electrons. (a) how many electrons are there in 7.74 liters of water? (1 liter is e

7−5p+3q when p=1p=1 and q=7q=7

Emily is making bows using ribbon. She has two pieces of ribbon to use. One is 23 yards long. The other is 4 1/4 yards long. She need 1 5/6 yards of ribbon to m

I need help with this question.

What are the government styles and who are the current leaders of North and South Korea?