Answer:
Bart get paid for the month is $1051 .
Explanation:
As given
Bart makes $1000 per month plus his commission on sales.
He gets 6 percent of everything he sells.
6% is written in the decimal form

= 0.06
As given
If Bart sells an $850 mattress .
Commission price = 0.06 × Cost of the selling mattress
= 0.06 × $850
= $ 51
Thus
Bart get paid for the month = Month salary + Commission price
Put all the values in the above
Bart get paid for the month = $1000 + $51
= $1051
Therefore Bart get paid for the month is $1051 .