Irene has more than 70 but less than 80 sweets. If she puts them equally into packets of 8, she would be short of 3 sweets. If she puts them equally into packets of 6, she would have 5 extra sweets. How many sweets does Irene have?
Multiples of 8: 64, 72, 80, 88
Multiples of 8 (-3): 61, 69, 77, 85
Multiples of 6: 60, 66, 72, 78, 84, 90
Multiples of 6 (+5): 65, 71, 77, 83, 89, 95
Common number more than 70 but less than 80: 77
Number of sweets that Irene has = 77
Answer(s): 77
