20:28 plus 9 hours = 05:28
05:28 plus 10 minutes = 05:38
Answer= 05:38
Answer:
All of the following statements are true because the products, three or four numbers, remain the same regardless of how the numbers are grouped.
The probability of 3 failures or less is about 0.83886, so that is the probability the machine will be working.
Answer:
A= 429
B= 50
Explanation:
A+B= 479 (take away)
A-B= 379
A-A+B+B= 479-379 (simplify)
2B= 100
I think you know how to do it now..
B=50
A=50+379 ---> 429
This is the substitution method, there are other ways of doing it- and I tried to make this simple. Hope this helped!
