Can somebody solve this because I need help:
https://web2.0calc.com/questions/joseph-wants-to-mulch-his-garden
https://web2.0calc.com/questions/joseph-wants-to-mulch-his-garden_1
This has already been answered.
If you do not understand or you do not think it is correct then you need to interact with the answerer on the original thread!
You also shoud thank the answerer for his time and effort, not just ignore him!