Question

At how many different times will the digit 7 appear on a digital clock in 24 hours?(show your work and explain your strategy below)

Answer 1

There are 24 hours in one day. when you count from 1-24, (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24) the number 7 shows up twice