cristiano is saving money to buy a bike that cost $189. he has saved $99 so far. he plans on savings $10 each week. in how many weeks will he have enough money to buy the bike? use a bar diagram to solve arithmetically. then use an equation to solve algebraica
189 = T (total) 99= S (saved) 10 w = ? 99s + 9w = 189t So Cristiano will need to save for 9 weeks to add up to his total. And he bar diagram you will need to do for yourself.