An amusement park charges $12 for one round of mini-golf and a reduced fee for each additional round played. Tom payed $47 for 6 rounds of mini-golf.
a) What is the price per round for additional rounds of mini-golf?
b) Write an explicit and a recursive rule for the cost of playing n rounds of mini-golf.
c) What is the cost of playing 9 rounds of mini-golf?

Respuesta :

47-12=35 ($35 is cost for all the extra rounds)

35/5 (5 extra rounds from the 6)

35/5=7

a. $7 per additional round

b. One round of golf is $12, any rounds after that are half off

c. 12+7(8)

12+56

$68 for 9 rounds