2906712 2906712
  • 24-01-2017
  • Mathematics
contestada

Dan had 78 dollars to spend on 7 books. After buying them he had 15 dollars. How much did each book cost?

Respuesta :

Аноним Аноним
  • 24-01-2017
I think each book cost $9
Answer Link
M4Mags
M4Mags M4Mags
  • 24-01-2017
78-7x=15
-7x=-63
X=9
Each book costs $9
Answer Link

Otras preguntas

if revenue for the week is 2000 and labor cost consist of two workers earning $8 per hour who work 40 hours each week what is labor cost as a percentage of reve
GRAPH INCLUDED PLEASE HELP According to the diagram, what is the half-life of the cobalt-57 isotope? Question 2 options: 50 days 120 days 24 days 10 days
When the temperature of air rises, the amount of water needed for saturation A. increases. B. decreases. C. stays the same. D. increases until it reaches a c
Write 16 percent as a fraction or mixed number in simplest form.
how did George Washington dress as president
1/4 of 24 using a tape diagram
Marijuana can cause slowed thinking and reaction time. A. TRUE B. FALSE
The phrase "Peace, Bread, and Land" is associated with A. the Bolsheviks. B. the Whites. C. Marx. D. Bismarck.
In the nineteenth century, why was it more necessary for art to provide accurate representations of life and objects?
what is a whole number followed by a proper fraction.