At the movies, Chris can buy 2 tickets for $20.50. At this rate, how much will it cost to buy 7 tickets?
2 answers:
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The pyhtagorean states that to find c, use the eqaution, 
.
Substitute 1 for a and 20 for b;
c^2=1+400
c^2=401
c=
which is about 20.02
Hope this helps.
Substitute 1 for a and 20 for b;
c^2=1+400
c^2=401
c=
which is about 20.02
Hope this helps.