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 is the probability of obtaining six tails in a row when flipping a coin?
A 42 kg sample of water absorbs 347 kJ of heat. If the water was initially at 23.2 ∘C, what is its final temperature?
what's the method for displacement in physics. I NEED HELP ASAP
What would occur if you forgot to add dntps to your pcr sample?
What ir absorption is characteristic of the c-h stretch in alkanes?
Find the smallest value of k if 264k is a perfect square
During the renaissance period, much surgery and dentistry was performed by
A block with mass m1 = 4.50 kg and a ball with mass m2 = 7.70 kg are connected by a light string that passes over a frictionless pulley, as shown in figure (a).
What is the empirical formula of a compound that contains 40 percent carbon, 6.7 percent hydrogen, and 53.3 percent oxygen by mass?
What determines how fast sea cliffs form? Select all that apply. The frequency and speed of the wind The energy of the waves hitting the shore The presence of a