Ivory has more than 30 but less than 40 sweets. If she puts them equally into bags of 6, she would be short of 4 sweets. If she puts them equally into bags of 7, she would have 3 extra sweets. How many sweets does Ivory have?
Multiples of 6: 18, 24, 30, 36, 42, 48
Multiples of 6 (-4): 14, 20, 26, 32, 38, 44
Multiples of 7: 21, 28, 35, 42
Multiples of 7 (+3): 24, 31, 38, 45
Common number more than 30 but less than 40: 38
Number of sweets that Ivory has = 38
Answer(s): 38