The answer is B.
You can't multiply, divide, or subtract because it says find the sum.
Answer:
5 hours
Step-by-step explanation:
Jack 40/11 = 3.64 bushels per hour
Jill 40/9 = 4.44 bushels per hour
together they pick 3.64 + 4.44 = 8.08 bushels per hour
40/8.08 = 4.95 hours
I dont really know how to explain it BUT this is a website i used when i had to make one
https://msmilesmath.wordpress.com/2012/04/02/how-to-construct-the-wheel-of-theodorus/
Answer:
Step-by-step explanation:
The answer to your question is B