Answer:
Mean time and 13
Step-by-step explanation:
Since in the given question it is mentioned that there is a five people and they spend the work in 7,10,13,20,15 hours respectively
So here the concept i.e. used is average time or the mean time
And, this can be calculated below:
= Sum of observations ÷ number of observations
= (7 + 10 + 13 + 20 + 15) ÷ 5
= 13
Answer: 5.46 packets of sod
Step-by-step explanation:
First you need to find the area of the feild, which is 273, and then divide 273 ÷ 50 and then you will get your answer
No, because
1 kg = 1000g
10kg= 10 000 g
18g= 0.018kg