Question

Jaquan buys 3 dozen light bulbs after changing the lightbulbs in his house he has 15 light bulbs left how many lightbulbs did he use?

Answer 1

21?

Answer 2

is that a joke if not can you explain you answer

Answer 3

1 dozen = 12
so 3 dozen = 3*12 = 36
then total = (used) + (left)
used = (total) - (left) = 36 - 15 = ?

Answer 4

I love how you help but don't give the answer thats awesome

Answer 5

*tips hat* that's what I do :)