Question

Reece was asked to screw the door numbers on the doors of apartments in a building.

There are 100 apartments in the building, with 10 on each floor.
Can you figure out the number of times he will have to screw on the number 8?

Answer 1

11 times

Step-by-step explanation:

Number of apartment = 100

Number of times to screw on number 8

If the rooms are to be numbered from 1 to 100 ;

Then ; 8 will appear on the :

8th, 18th, 28th, 38th, 48th, 58th, 68th, 78th, 88th, 98th

Counting the number of 8's = Eleven 8's

Number of 8's = 11 times