C. 17 r 1 is the correct answer
Answer:
26.6 minutes
Step-by-step explanation:
Set up a proportion
3/8 = 10/x
cross multiply
3x = 80
x = 26.6
15.5 x 12.4 = 192.2 so the answer is 192.2 square feet.
You will get r= 21/12 but you have to simplify to get R=7/4 or R=1.75