Math
posted by Jack on .
A computer game starts with a set of 144 tiles separated into 36 equal groups.Sara played the game until there were 8 groups of tiles left.How many tiles were left when Sara finished?

32 tiles left over

Can you explain to me the procedure to get 32 tiles. Thank you for your help.

There were 36 equal groups of 4 tiles each. She left with 8 groups left, or 8x4 tiles.