Lynn has more than 50 but less than 60 chocolate bars. If she puts them equally into packets of 6, she would be short of 5 chocolate bars. If she puts them equally into packets of 10, she would have 5 extra chocolate bars. How many chocolate bars does Lynn have?
Multiples of 6: 36, 42, 48, 54, 60, 66
Multiples of 6 (-5): 31, 37, 43, 49, 55, 61
Multiples of 10: 40, 50, 60, 70
Multiples of 10 (+5): 45, 55, 65, 75
Common number more than 50 but less than 60: 55
Number of chocolate bars that Lynn has = 55
Answer(s): 55