Answer:
Cross Multiply
Step-by-step explanation:
1. Multiply 16 by 9 and you get 144
2. Multiply 5 by x
This is called cross multiplying.
3. Set up the equation. 5x=144
144/5=28.8
x=28.8
Since one kilometer is equal to about 0.621 miles, a runner travels 3.105 miles in a five-kilometer race.
Suppose that the number u were thinking about is x thus :

Multiply both sides by 4



Divide both sides by 3

