Answer:
$0.15 .
Explanation:
Jalen bought 24 juice packs for $7.20
Cost per pack of juice =

= $0.30
Tia bought 6 juice packs for $2.70
Cost per pack of juice =

= $0.45
The difference in unit prices of Jalen's and Tia's juice packs
= 0.45 - 0.30 = $0.15
The difference in unit prices of Jalen's and Tia's juice packs is $0.15 .