abberdabber1213 abberdabber1213
  • 21-01-2019
  • Mathematics
contestada

two movie tickets and 3 snakcs are $24. three movie tickets and 4 snacks are $35. how much is a movie ticket and how much is a snack

Respuesta :

MollieToliver MollieToliver
  • 30-01-2019

Answer: The cost of a movie ticket is $9

and that of snacks is $2


Step-by-step explanation:

Let Movie tickets price be denoted by x

and snacks price be denoted by y

Given :2x+ 3y =24 ..........[1]

3x+4y= 35.............[2]

Multiplying [1] by 3

and [2] by 2

6x +9y =72.........[3]

6x+ 8y=70.........[4]

Subtracting [4] from [3]

6x +9y -6x -8y =72 -70

y=2

Putting the value of y in [2]

3x +4*2=35

3x+8 =35

subtracting 8 both sides

3x +8 -8 =35-8

3x= 27

Dividing both sides by 3

x=9

∴ The value of a movie ticket is $9

and that of snacks is $2





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