Answer:
Store 3.
Step-by-step explanation:
Store 1 has smartphones 5 of the 8 phones. The percentage of smart phones is :
[tex]a=\dfrac{5}{8}\times 100\\\\=62.5\%[/tex]
Store 2 has smartphones 13 of the 22 phones. The percentage of smart phones is :
[tex]x=\dfrac{13}{22}\times 100\\\\=59.09\%[/tex]
Store 3 were smartphones 22 of the 30 phones. The percentage of smart phones is :
[tex]y=\dfrac{22}{30}\times 100\\\\=73.34\%[/tex]
Store 4 were smartphones 12 of the 25. The percentage of smart phones is :
[tex]z=\dfrac{12}{25}\times 100\\\\=48\%[/tex]
It means that, store 3 has greatest percentage of smart phones i.e. 73.34%.