jack needs three pound twenty to buy a book.he has saved 3fifties 4twenties and 1ten.how much more should he save
well, how much has he saved so far?
3*.50 + 4*.20 + 1*.10 = 1.50+0.80+0.10 = 2.40
so, what do you think?
3*.50 + 4*.20 + 1*.10 = 1.50+0.80+0.10 = 2.40
so, what do you think?