At the fair

This task is about solving problems written in words or in equations.
image of a fair

Question 1Change answer

a) Visitors to a school fair pay an entrance fee, and then pay 20c for each sideshow.
A visitor who has n turns at a sideshow spends 50 + 20n cents altogether.
i)   How much is the entrance fee?  cents
ii)  Iona has 6 turns at the sideshows.
     How much does she spend altogether, including the entrance fee? $ 
iii) Tanielu and Lani spend $2.40 between them on sideshows. Lani has two more turns at sideshows than Tanielu.
     How many turns did they each have?
     Tanielu:  turns   Lani: turns

Question 1Change answer

b)  Ms Iosefa takes his two children, Alex and Marie, to another fair. He spends a total of $7.00 altogether on sideshows and entrance fees. 
i) If Marie had 8 turns at the sideshows, and her father had none, how many turns did Alex have?  turns
ii) Using the formula (100 + 20n) cents, work out how much Ms Iosefa spent on Marie at the fair. $