Nicole has more than 70 but less than 80 mini cupcakes. If she puts them equally into packets of 5, she would be short of 1 mini cupcakes. If she puts them equally into packets of 10, she would have 9 extra mini cupcakes. How many mini cupcakes does Nicole have?
Multiples of 5: 60, 65, 70, 75, 80, 85, 90
Multiples of 5 (-1): 59, 64, 69, 74, 79, 84, 89
Multiples of 10: 60, 70, 80, 90
Multiples of 10 (+9): 69, 79, 89, 99
Common number more than 70 but less than 80: 79
Number of mini cupcakes that Nicole has = 79
Answer(s): 79
