### Home > GB8I > Chapter 7 Unit 8 > Lesson INT1: 7.1.5 > Problem 7-64

Maya and her family took a boat tour to see crocodiles while vacationing in Australia. The boat goes

Define your variables; represents the distance traveled,

*represents the rate, and*

*represents the time to travel upstream.*

Also remember

*.*

because

*time traveled upstream and her rate is equivalent to her speed minus the rivers.*

because time is one hour less, and rate is equivalent to her speed plus the rivers.

What is true about both distances?

So

Solve for and substitute the value back into one of the original distance equations in steps