Answer:
Step-by-step explanation:
3 times 12 equal 36.
36 minus 15 equals 21.
So Joaquin uses 21 light bulbs.
C
<em>Hope it helped</em>
ummm Is that the full answer it's kinda confusing
3 < k
Simplify by undoing addition to both sides, then divide both sides by the coefficient of k.
