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 tick
et 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?
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.
