Question

Ann had 45 fliers to post around town, last week she posted 2/3 of them. This week, she posted 4/5 of the remaining filers. How many fliers she still not posted?

Answer 1

2/3 * 45 =  30 fliers last week. 45-30 = 15 remaining fliers
4/5 * 15 = 12 fliers this week. 15-12= 
                                                   3 fliers she hasn't posted yet.