Daily Archives: October 27, 2018

DAY 301:

The Main Challenge This number trail contains ten arithmetical steps. Start with the number 40, then:  subtract twenty-six  ÷7  ×10  30% of this  multiply by 3  two-thirds of this  ×12  double it  add fifteen  ÷3 What is your final answer? The 7puzzle … Continue reading

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