olinderbmbudhoc7o olinderbmbudhoc7o

20-05-2016
Mathematics

contestada

A washer and a dryer cost $450 combined. The cost of the washer is two times the cost of the dryer. What is the cost of the dryer?

Respuesta :

apologiabiology apologiabiology

20-05-2016

W+D=450
W is 2 times D
W=2D

sub
2D+D=450
3D=450
divide 3 both sides
D=150
dryer cost $150

Answer Link

Otras preguntas

Roman says that the risk of osteoporosis can be reduced by making certain lifestyle choices. Which lifestyle choice could Roman be referring to? A. increasing

Supplementary angles are two angles whose measures have sum...

What is the relationship between the zooxanthellae and the hard coral, the remora and the manta ray, the tiger shark and the green sea turtle, and the dolphin a

Which of the following is a factor in the increase of single-parent families in North America?

true or false : Scientific theories have withstood the test of time and are accepted as proven fact.

Which function represents the number of seconds, s, in d days? (Hint: The number seconds in a day is 24 × 60 × 60 = 86,400.). The function that represents the n

What role do enzymes play in metabolism?

What is the importance of the role of the indviduals play in the capitalist system?

Based on this excerpt from Ernest Hemingway's "In Another Country," what is the context meaning of the word "take up"? "Ah, yes," the major said. "Why, then, do

Based from the options below, which of the following is a correct past perfect third-person conjugation for the irregular verb shrink? A. he, she, it shrank