Question

HELLLLLLLLLLP MEEEEEE=(

At Joe's candy store, the total cost of 1 gumball and 1 lollipop is $0.74. The total cost of 1 chocolate bar and 1 lollipop is $0.92. The total cost of 1 gumball and 1 chocolate bar is $1.24. What is the cost in dollars of 1 chocolate bar?

Answer 1

x + y = .74
z + y = .92
x + z = 1.24

Answer 2

let x = price of gumball, y = price of lollipop , z= price of chocolate bar

Answer 3

and then what?

Answer 4

set the top equation equal to x and the second set it equal to z then plug the right side of both equations into the third equation.

Answer 5

(.74-y)+(.92-y)=1.24

Answer 6

Then solve for y

Answer 7

And plug it into the other equations and solve for x and z