Question

You buy 2 bags of chips and 3 boxes of popcorn for $5.13. You then buy another bag of chips and 2 more boxes of popcorn for $3.09.

What is the cost of a bag of chips and a box of popcorn?

Answer 1

let x represents cost of one bag of chips nd y represents cost of one box... then 2x +3y=5.13 nd x+2y=3.09.. solve for x nd y

Answer 2

????

Answer 3

just solve for it and that gives me my answer

Answer 4

u got two equations with 2 variables.. find x nd y frm here by subsitution method... this will give u ur answer

Answer 5

yes @Ashley_Cute

Answer 6

kk

Answer 7

y=5.13

Answer 8

Solve x+2y=3.09 for x and then plug the result into the first equation which leaves one equation in one unknown.

Answer 9

no @Ashley_Cute

Answer 10

kk

Answer 11

i got x+y=1.545

Answer 12

how i get rid of y

Answer 13

@robtobey

Answer 14

x +y =1.545.. so x= 1.545-y.. put this value of x in any equation.. find y

Answer 15

Move 2y to the RHS of the second equation. Do you get: x=3.09-2y ?

Answer 16

yes

Answer 17

Now replace each x in the first equation with "3.09-2y"

Answer 18

kk

Answer 19

while im solving this do i combine like terms the y's

Answer 20

@robtobey

Answer 21

Yes, combine all y terms.

Answer 22

kk

Answer 23

99cents

Answer 24

Yes, x = 99 cents
Replace x in the second equation with 0.99 and then solve for y.

Answer 25

kk

Answer 26

1.05

Answer 27

Yes, very good.
When you have two unknowns, like x and y, then it takes two equations to find x and y.

Answer 28

Thank you for the medal.

Answer 29

np and thank you