Q. Tina and Tom are twins. Tina saves Tom spends. Tom found a $20 note on Sunday evening and spent $2 a day starting on Monday. Coincidentally, Tina started work that Monday and gets $2.50 a day. How long will it be before Tina has more money than Tom?
Working out. Tina l Tom
Monday $2.50 $18
Tuesday $5 $16
Wednesday $7.50 $14
Thursday $9 $12Friday $11.50 $10
I think I reached Extended Abstract because I've created something that can show other people how to do it and I can show my working out.