The price of a visit to the dentist is $50. If the dentist fills any cavities, an additional charge of $100 per cavity gets added to the bill. If the dendist finds n cavities, what will the cost of the visit be? Write your answer as an expression.

Explanation:

n = number of cavities found

100n = cost of finding those cavities at $100 per cavity

100n+50 = tack on the fixed entry fee

=$50+$100*n

solution given:

The price of a visit to the dentist =$50. additional charge = $100 per cavity If the dentist finds n cavities, the cost of the visit be=$50+$100*n

as n is multiplied to cavity found and $50 is added as visit price

the perimeter is increased by a factor of 2