your calculations for volume (pi x r^2 × h) and surface area (2 × pi × r (h+r)) are correct. However your ratio are incorrect. From the formulas the ratio of surface area to volume would be r×h:2(h+r)
In 9 hours
john earns $67.5
becky earns $74.25
becky earns $6.75 more than john
I think it is point 3. Hope that helps
Answer:
The answer would be C. 5 Hours
Step-by-step explanation:
Hopes this helps and good luck :)
