99katieway
99katieway
23-10-2017
Mathematics
contestada
Someone please help me with number 20
Respuesta :
daijingyi722
daijingyi722
23-10-2017
(1) let there be x book and let the total cost be y dollars.
y=19.25x+40
y=16x+69.25
(2) 19.25x+40=16x+69.25
3.25x=29.25
x=9
9 silver book, 9 gold book.
(3) y=19.25x+40=19.25*9+40=213.25 dollars
both companies' total cost are 213.25 dollars.
Answer Link
VER TODAS LAS RESPUESTAS ( 73+ )
Otras preguntas
0.135 written as a fraction is _____. 5/37 27/100 27/200
Which of these changes would correct this sentence? the grocery list included numerous items, including cabbage, tomatoes, celery, and onions.
The term “frivolous” implies that the author
Given the venn diagram below, if a student is randomly selected, what is the probability that he or she is not attending both colleges? A) 82% B) 84% C) 86%
How do you solve this problem?
Which line from "The Colomber" by Dino Buzzati contributes to the setting? A. ‘Stefano, what are you doing there, standing so still?’” B. “It was a splendid sun
The broadest division of geologic time is:
Plz help me I don't understand
Two pairs of dancers encounter each other on the dance floor. The couples switch partners with each woman now dancing with the other man. This situation is anal
1. Which statement about the presidential election process in the United States is true? A.A simple majority of the popular vote is required in order to win. B
