9 Hailey has 42 to spend on souvenirs for her friends She would like to buy each of her friends a keychain that costs 6 The inequality 6k 42 represents the number of keychains k she could buy What is the greatest number of keychains Hailey can buy Example 3 11 Jessica has 32 to buy movie tickets for herself and her friends that cost 5 each The inequality 32 5t represents the number of tickets t she could buy What is the greatest number of tickets Jessica can buy Example 3 10 Zacharias wants to download some songs through an app on his phone Each song costs 2 to download and he has 12 remaining in his account The inequality 2s 12 represents the number of songs s he could download What is the greatest number of songs Zacharias can download Example 3 12 Stanley has 30 to spend on packs of trading cards that cost 3 each The inequality 30 3p represents the number of packs p he can buy Identify all the numbers of packs Stanley can buy 8 packs 11 packs 12 packs 13 packs 9 packs 10 packs