Fanny has more than 50 but less than 60 sweets. If she puts them equally into bags of 7, she would be short of 4 sweets. If she puts them equally into bags of 10, she would have 9 extra sweets. How many sweets does Fanny have?
Multiples of 7: 42, 49, 56, 63, 70
Multiples of 7 (-4): 38, 45, 52, 59, 66
Multiples of 10: 40, 50, 60, 70
Multiples of 10 (+9): 49, 59, 69, 79
Common number more than 50 but less than 60: 59
Number of sweets that Fanny has = 59
Answer(s): 59
