Joshua can purchase tile at one store for $0.99 per tile, but will have to rent a tile saw for $25. At a different store he can buy tile for $1.50 per tile and the rental of the tile saw is free. When will the two stores cost the same?

number of tiles ---- x

1.5x = .99x + 25
.51x = 25
x = 25/.51 = ......
round up to the next tile