A bakery makes 500 cookies daily. They sell 85% of them each day. If they make cookies 6 days per week, how many cookies are left unsold per week?
Answer
450 cookies
How to solve it
1
Daily cookies: 500
2
Percentage sold: 85%
3
Percentage left: 15%
4
Cookies left daily: 500 × 0.15 = 75
5
Per week: 75 × 6 = 450 cookies
Hints
Calculate percentage left each day
Multiply by number of days