Risa has more than 60 but less than 70 sweets. If she puts them equally into bags of 8, she would be short of 3 sweets. If she puts them equally into bags of 5, she would have 4 extra sweets. How many sweets does Risa have?
Multiples of 8: 48, 56, 64, 72
Multiples of 8 (-3): 45, 53, 61, 69
Multiples of 5: 50, 55, 60, 65, 70, 75
Multiples of 5 (+4): 54, 59, 64, 69, 74, 79
Common number more than 60 but less than 70: 69
Number of sweets that Risa has = 69
Answer(s): 69
