Answer:
15%
Explanation:
Price of daily tickets entrance
Adult=£55
Children=£45
Family (2 adults and 2children)=£170(discount price)
Let
price for adults=a
Price for Children=c
Price of tickets without discount for 2 adults and 2 children=2(a+c)
=2(55+45)
=2(100)
=£200
Percentage discount offered with the family tickets=difference in price/original price×100
=£200-£170/200×100
=30/200×100
=30/2
=15%
The Percentage discount offered with the family tickets=15%