Answer:
a) 12 hours b) 2 hours
A= 12 hours B= 3 hours
Step-by-step explanation:
The more people that help the shorter the hours get
B. 2, 4, 5, 7
6x<48
Divide by 6 on both sides:
x < 8 (excluding 8)
You can test values greater than 8, and if it yields false, then try different numbers.
Hope this helps!