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

What lever has resistance between the axis (fulcrum) and the force (effort)?
Describe the stages of the cell cycle. In your description of mitosis, list the four parts in the correct order.
Lines that are parallel have the same slope or else no slope.
What is a pathogen is?
A tropical storm turns into a hurricane when wind speeds reach?
What is the surface area of the prism? A. 138 yd2 B. 192 yd2 C. 264 yd2 D. 272 yd2
How do microorganisms affect humus and thereby soil health?
Which number is larger 5.09 or 5.9
What s the best way to understand a movie in an unfamiliar language?
What could the number -18 represent? Using the same situation, what would its opposite represent? What would 0 represent