Rate of fill-up = 1/44 = 1/44 * 77/77 = 77/3388
Rate of emptying = 1/77 = 1/77 * 44/44 =44/3388
Combined Rate of Fill-up = 77/3388 - 44/3388 = 33/3388 = 3/308
Time for combined fill-up = 308/3 = 102.6667 hours = 102 hours and 40 minutes
35r+10+20p
you would multiply by 5 to all the numbers in the parantheses
Answer:
No, he switched the values for the variables.
Answer:
- 10a-b+0.1c
Step-by-step explanation:
−0.1·(100a+10b−c)= - 10a-b+0.1c
You get (c-4)d = cd - 4d.
You have to "distribute" the d to the c and the 4.
