Question 368846
Let P be the cost of pucks, S the cost of sticks.
1.{{{5P+3S=23}}}
2.{{{5P+S=20}}}
Subtract eq. 2 from eq. 1,
{{{5P+3S-5P-S=23-20}}}
{{{2S=3}}}
{{{S=3/2}}}
Then from eq. 2,
{{{5P+3/2=20}}}
{{{5P=40/2-3/2}}}
{{{P=37/10}}}
Pucks cost $3.70 and sticks cost $1.50.