4. A group of 5 people can do a piece of work in 6 hours. Calculate the time a group of 8 people, working at half the rate of the first group could take to complete the same work. (3 mks)

4.8 hours

Step-by-step explanation:

6 hours = 360 minutes (6x60)

360/5 = 72 (minutes per person worked)

72/2= 36 (person working at half productivity)

36x 8= 288 (total minutes of 8 people working at half productivity)

288/60= 4.8 (cover minutes back to hours)

answer: answer: d) v= 1/6 bh  

step-by-step explanation:

since according to the given question,   a pyramid is placed inside a prism.

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol