calculator, pen and notebook cost $14 together. The calculator costs $9 more than the pen and $8.50 more than the notebook. How much does each item cost?

Let cost of

calculator be x.

Pen be y

And notebook be z.

Then

x+y+z=14

x-y=9

x-z=8.5

Solvin 3 equation,

x=$10.5

y=$1.5

z=$2

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