Four-fifths 2764

There were 60 people at the rink, four-fifths of which were children under 15 years of age. A ticket for children under 15 costs €1 and for adults €2.
a) How many children were there at the rink?
b) How many adults were there?
c) How many euros did they collect for the entrance fee?

Correct answer:

a =  48
b =  12
c =  72 Eur

Step-by-step explanation:

a=60 4/5=48
c=1 a+2 b=1 48+2 12=72 Eur

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