it’s b 3/4 hours because when you split 1 1/2 in half it’s like if you split 150 into 75
Answer:
Option B 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The perimeter of the figure is equal to sum the length of semicircle plus the length of three sides of a square
<u>Find the length of semicircle</u>
Remember that the circumference of semicircle is equal to

we have

substitute

The perimeter of the figure is equal to

3/36 3 into 3 is 1, and 3 into 36 is 12
= 1/12 is the simplified form.
Easy. You're finding unit rates for both Betty's and Shari's.
Betty's: Divide 2.00 and 5 to get 0.4 or $0.40
Shari's: Divide 2.30 and 6 to get .38 (Had to round) or $0.38
Conclusion: Shari's is the better buy, you'll be saving 2 cents!
Hope this helped!