Esther has more than 60 but less than 70 sweets. If she puts them equally into packets of 6, she would be short of 4 sweets. If she puts them equally into packets of 7, she would have 5 extra sweets. How many sweets does Esther have?
Multiples of 6: 48, 54, 60, 66, 72, 78
Multiples of 6 (-4): 44, 50, 56, 62, 68, 74
Multiples of 7: 49, 56, 63, 70, 77
Multiples of 7 (+5): 54, 61, 68, 75, 82
Common number more than 60 but less than 70: 68
Number of sweets that Esther has = 68
Answer(s): 68