Question

David went to a lot of concerts over the past year with different groups of friends. He went to a concert that cost $32 per ticket with one friend, a concert that cost $18 per ticket with two friends, and a concert that cost $54 by himself. How much money was spent by David and his friends on tickets?

Answer 1

David spent $172.

The first concert he went with 1 friend including himself so
32+32=64
The second concert he went with 2 friends including himself so
64+18+18+18=118
The third concert he went by himself so
118+54=172
David spent $172 dollars with him and his friends on tickets.