lailonilove71
lailonilove71 lailonilove71
  • 03-02-2018
  • Mathematics
contestada

need help please don't under stand how to do it, its for algebra

need help please dont under stand how to do it its for algebra class=

Respuesta :

yunao98p0tsof
yunao98p0tsof yunao98p0tsof
  • 04-02-2018
Set the price of popcorn be x, and price of candy be y, we have two equation
1: 28x+40y= 282;
2: 17x+20y = 160.5;
The second equation times 2 minus the first equation we will get 6x = 321-282 = 39;
X = 6.5, the price of popcorn is $6.5
Answer Link

Otras preguntas

Why is evidence important to a strong argument??
What is the equation of a line, in general form, with a slope of -2 and a y-intercept of 8? x + 2y - 8 = 0 2x + y - 8 = 0 2x - y + 8 = 0
How many ounces are in 50 pounds?
According to this astronomer's depiction of Venus' orbit, Venus is an average of ______ million miles from the Sun. (Enter only the number.)
how did hip hop come about
When Jimmy and Shane went fishing, Shane caught 2 more than three times the number of fish that Jimmy caught. Write an algebraic expression that represents how
Find the missing number in the pattern. 1, 12, 23, _____, 45, 56 a. 31 b. 34 c. 37 d. 42
PLEASE HELP Explain how the algebraic properties are applied in the steps to solving equations and use them to solve 1/2x+4=12. 10 points
An area of a country that is inland is called the: exterior interior internal local
multiply an odd number by an odd gives an even number. Is it certain, likely, even, unlikely or impossible.