TwilightUzumaki
TwilightUzumaki TwilightUzumaki
  • 04-08-2020
  • Mathematics
contestada

A washer and dryer cost a total of $980. The cost of the washer is three times the cost of the dryer. Find the cost of each item.

Respuesta :

MathPhys
MathPhys MathPhys
  • 04-08-2020

Answer:

Washer $735

Dryer $245

Step-by-step explanation:

If x is the cost of the washer, and y is the cost of the dryer, then:

x + y = 980

x = 3y

Solve with substitution.

3y + y = 980

4y = 980

y = 245

x = 735

Answer Link

Otras preguntas

List the main features that define life in a material sense?
Find a rational number between -1/4 and 2/5
5 letter word foramount of work done per second
The remainder when x^3 - 11x + 10 is divided by (x+3) is A 52 B 16 C 4 D -24 I was doing a past paper and came across this,I know one (long) way of
find a pair of square numbers which give a difference of 39
Which of the following is a reason why the demand for salt was as high as gold at one time? Salt could be used as medicine. Salt was necessary to preserve meat.
How would I oreder the numbers least to greatest 4.2,-41/9,-4.6,43/8
what was the result of the peloponnesian war?
What is 0.1 repeating as a fraction?
ALGEBRA! NEED HELP! A rectangular prism has a length of 8 inches and a width of 7 inches. The lateral area is 150 square inches. What is the height of the pris