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A dump of our free Chat sessions, in case it is useful. It excludes white boards used during paid sessions.





tutor3 : Hello Student, May I help you with your Math problems?
student : If helen purchased two pencils and three erasers for $4.20 and Dave bought three pencils and 4 erasers for $3.3o, how much did Elena pay for one pencil and one eraser?
tutor3 : ok
student : and can you also show me the steps please
tutor3 : Please wait, we are helping other students
student : ok
tutor3 : are your values correct?
student : Yes 4.20 and 3.30
student : sorry Dave bought three pencils and two erasers
tutor3 : yes
tutor3 : let the cost of one pencil be x and cost of one eraser be y
student : ok
tutor3 : then the frame 2 eqautions.
student : so 2x +3 y =4.20 and
student : 3x + 2y= 3.30
tutor3 : 2*x+3*y=4.20 and 3*x+2*y=3.30 solving the 2 eqautions we have x=.3 and y=1.2
student : then do we make another equation: 1x+1y
tutor3 : so cost of one pencil is .3 and one eraser is 1.2
student : so combined its $1.50
tutor3 : yes
tutor3 : yes
student : did you just use elimination to solve the first two equations?
tutor3 : yes
student : Thanks so much! It means a lot
tutor3 : Please. tell your parents and friends about our service ..www.tutorteddy.com from AAfter Search
student : ok
student : Thanks so much! It means a lot
student : did you just use elimination to solve the first two equations?
student : then do we make another equation: 1x+1y
student : 3x + 2y= 3.30
student : so 2x +3 y =4.20 and
student : ok
student : so 2x +3 y =4.20 and


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