For each store, what is the ratio of the number of cans to the price: 24 packs (2 for 9); 12 packs (4 for 10); 12 packs (3 for 9)

$4.50 for the 24 pack, $2.50 for the 4 for 10, 12 pack and for the last one it is $3.00

Order of filling levels and sublevels of electrons: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²3f¹⁴5d¹⁰6p⁶for an element with 5 electrons in the 3d energy level: full configuration: 1s²2s²2p⁶3s²3p³.

Ithink the answer is d.