Pages

Algebra Level 2

To number the pages of a book, a printer used 747 digits, then the number of pages of this book is:

285 315 298 350

Victor Paes Plinio by Victor Paes Plinio , 21, Brazil

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

2 solutions

Aaaaa Bbbbb
Dec 24, 2014

99 + ( 747 − ( 1 × 9 + 2 × 90 ) ) 3 = 285 99+\frac{(747-(1 \times 9+2 \times 90))}{3}=\boxed{285}

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Ramiel To-ong
May 29, 2015

Ones: Pages:9......Digits:9 Tens: Pages:99-9= 90....Digits: 2*90 = 180 Hundreds: Digits: 747-(189) = 558/3; Pages = 186

Total Pages 9+90+186 = 285

0 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...