Put 15 where n is, then do the arithmetic.
b(n) = 6n . . . . . . . . . . . the formula for the number of bulbs for n chandeliers
b(15) = 6·15 = 90
The appropriate choice is ...
... 90 light bulbs
This is what my math teacher had me write down!
Answer:
3
Step-by-step explanation:
because that's the communicative property
Answer: 9a+5x
Step-by-step explanation:
12a+7x-3a-2x=12a-3a+7x-2x=9a+5x
160/55.
Simplified version is 32/11