Let x and y represent the costs of a pizza slice and a soft pretzel, respectively. The two purchases can be described by ... 9x +5y = 33.25 4x +6y = 19.50
A graph shows the solution of these equations to be (x, y) = (3, 1.25)
The cost of a soft pretzel is $1.25. The cost of a slice of pizza is $3.00.
9x+5y=33.25 4x+6y=19.50 Multiply the first equation by 6 and the second one by 5 so the ys (soft pretzels) will cancel out and leave you with x (slices of pizza) so you should get: 54x+30y=199.50 20x+30y=97.50 Then subtract the equations leaving you with: 34x=102 X=3 So each piece of pizza is $3 Then plug 3 in for x to get y I’ll just use the first equation 27+5y=33.25 5y=6.25 Y=1.25 Each pretzels costs $1.25
