Answer:
23
Step-by-step explanation:
Answer:
24 hours
Step-by-step explanation:
The computation of the number of hours taken by Bobby to build the robot by himself is shown below:
Given that
Bobby could take 12 hours
Together they could build in 8 hours
So based on the above information
the number of hours taken by Bobby to build the robot by himself is
Let us assume the above line be x
So,

x = 24 hours
Answer:
11Hz
Step-by-step explanation:
Check attachment
Answer:
Ok so, im sure if this is the right answer, but Im thinking there were 224% of red (or) blue marbles. If this is right, There you go, but if it's not, Im so sorry
Step-by-step explanation: