we need to see the drop down list of steps to answer the question :)
R=15
explain:
add the numbers in parentheses to get
45/3 = r
divide the numbers to get
15 = r
19/2 = 9.5. Hope this helped.
Step-by-step explanation:
put it in least to greatest and then put your fingers on the opposite side of the numbers and count down at the same time
Thanks this came in handy bc I'm a beginner