Hey!
1 dozen is equal to 12
If the shop sold 1,500 dozens of golf balls, then you have to multiply 1,500 by 12.
[tex] 1,500 \times 12 = 18,000 [/tex]
That means the shop sold 18,000 balls
[tex] \framebox{The shop sold 18,000 individual golf balls} [/tex]