Answer:
$36
Explanation:
Step 1. Create a ratio of hours to dollars
3 hours : 27 dollars can be simplify to 1 hour : 9 dollars
Step 2. Find the answer
Given the unit rate of 9 dollars per hour, find how much money Kayla can make in 4 hours.
4 x 9 is 36
The answer is 36 dollars
Hope this helps :)
Have a nice day!