Answer: 275 cm
volume = length x width x height
v = 6.25 x 8 x 5.5
v = 275
Just subsitute 8 for n
1/2(8)^2-1/2(8)
1/2(64)-4
32-4
28
D
Answer:
The time taken by both boys to complete work = 2.73 hours
Step-by-step explanation:
Time taken by rayan to dig hole
= 5 hours
Time taken by castel to dig hole
= 6 hours
Now the time taken by both persons working together

Put all the values in above formula we get


T = 2.73 hours
Therefore the time taken by both boys to complete work = 2.73 hours
Answer:
it is 2.83
Step-by-step explanation: