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
Pleaseeee helpppp !!!!!!!! Will mark Brianliest !!!!!!!!!!!!!
Water is a substance made up of the elements hydrogen and oxygen. How many types of atoms make up a particle of water? A. 2 B. 3 C. 4 D. 1
The OBSTACLES and the POSSIBLE OUTCOMES of Portia and Nerissa's plan. act 3 scene 4
Jamie is ordering buses for the school trip. There are 218 students at Park Avenue who are going on the trip. Each bus can hold 45 students. Jamie decides to di
If you invest $7,890 at a 5.65% simple annual interest rate, approximately how long will it take for you to have a total of $15,000? Show work
How do metals and non-metals for ions?
Mauricio scored a total of 34.42 points in five gymnastic events. Which number sentence shows the best way to estimate Mauricio's score for each event? (a) 35 =
May someone please help me?
If you were a Paleolithic person faced with the decision to switch from hunting and gathering to agriculture or to keep your nomadic ways, which would you choos
How much HCl exists in 347 mL of 0.48 M solution of HCI? Answer in units of mol.
