Since the blue line is lower than the red line the market sells pinapple at a lower rate
mathematically
Grocery store sells
4 pinapples = $9.60
3 pinapple=x
[tex]x=3*\frac{9.60}{4}[/tex][tex]x=7.2[/tex]
3 pinapples at the grocery store cost $7.20
compare to
3 pinapples at the market cost $6.60
The market sells pinapple at a lower rate
