The equation b=540−30m gives the balance b (in dollars) that you owe on a drum set after m monthly payments. what is the balance after 9 monthly payments?

the balance after 9 monthly payments is, $270

Step-by-step explanation:

Given the equation:

             ....[1]

where,

b represents the balance in dollars that you owe on a drum set after m monthly payment.

We have to find the balance after 9 monthly payments

⇒ m = 9 months

Substitute the given values in [1] we have;

⇒

Therefore, the balance after 9 monthly payments is, $270

because 1.2 isnt half of 6 duh