The ratio of the width to the length in a certain rectangle is 5:8. If the length of the rectangle is 12 cm, what is the width?
1 Answer
Mar 28, 2018
Explanation:
The ratio is:
Since the rectangle shares this ratio we can also say:
So, using substitution:
Now use cross multiplication to simplify. The ones we are multiplying together are colored the same:
So, the width is