Todd bought a guitar practice amplifier for $229.99 he paid $30 down and $25 a month for nine months what's his total cost

Wouldn't the total cost be the cost of the amp? Which is 229.99$

Doesn't matter how he paid it - he still had to pay that total amount

Total cost of amplifier paid by Todd is $255.

Step-by-step explanation:

Todd purchased a guitar practice amplifier for $229.99.

He paid $30 down payment and $25 a month for nine months.

Therefore payment through installments is done = 25*9 = $225

Since he has done down payment = $30

Therefore total payment for amplifier was made = 30 + 225 = $255

Todd has paid total amount of $255.