x= total monthly cost
B= # of bowls made
To make one bowl, it's the entry fee plus the price per bowl:
= $9 + $3B
To make 5 bowls, we multiply the above expression by 5. This will give our total cost for the month.
x= 5($9 + $3B)
ANSWER: x= 5($9 + $3B)
Hope this helps! :)