geebahsando geebahsando
  • 18-01-2022
  • Mathematics
contestada

solve the system of equations. 2 burger and 5 hotdogs for $12.75 total and 3 burger and 2 hotdogs for $12.25 total?

Respuesta :

keencar18
keencar18 keencar18
  • 18-01-2022

Lets define the variables

x - burger

y - hotdogs

Now lets write our equation

2x+5y=12.75

3x+2y=12.25

Now we solve by subsitution or elimination.

2x+5y=12.75

0.4x+y=2.55

y=-0.4x+2.55

3x+2(-0.4x+2.55)=12.25

3x-0.8x+5.1=12.25

2.2x=7.15

x=3.25

Plug in X

3(3.25)+2y=12.25

9.75+2y=12.25

2y=2.5

y=1.25

Your final answer is 3.25, 1.25

Plug it in to check!

Answer Link

Otras preguntas

What is 84/24 reduced to lowest terms?
Use the Distributive Property and simplify the expression. 4 + 2(3x – 1) + 9  A. 6x + 11  B. 5x + 14  C. 3x + 14  D. 6x + 15Explain please :P
Use the Distributive Property and simplify the expression. 4 + 2(3x – 1) + 9  A. 6x + 11  B. 5x + 14  C. 3x + 14  D. 6x + 15Explain please :P
how do you solve the equation 8-5w= -37
How do I solve this equation 6+4/5b=9/10b
What is the answer for 15-6=4+
Find area of a rectangle measuring 7m long and 1.3m wide
how to find latitude and longitude on a map?
748,722.78 round to nearest1,000
solve the systems of equations  4a+7b=5, 8a-4c=-24, 6b-4c=26, solution is ___,___,_____.