Need both ASAP

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Can someone me do math because i am having a breakdown rn because i don’t get it