since you bought 25 on friday and 6 on tuesday, you can just add them up.
25+6=31
check your work.
31-6=25
i hope this !
-yand3r3
Another question on Mathematics
Mathematics, 21.06.2019 15:00
There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.