### Home > GB8I > Chapter 11 Unit 12 > Lesson INT1: 11.2.5 > Problem11-105

11-105.

Steven can look up $27$ words in the dictionary in an hour. His teammate, Mary Lu, can look up $35$ words per hour. Working together, how long will it take them to look up $100$ words?

Together they can look up $62$ words per hour. Write an equation, where $x =$ the number of hours they are working.

$\frac{\text{words}}{\text{hour}}\cdot \text{hours}=\text{words}$