4 and 5 are the only constant terms
Answer:
123 domestic stamps
89 foreign stamps
Step-by-step explanation:
Answer:
Step-by-step explanation:
A copy machine can copy a report in 30 mins. When a second copy machine is used at the same time, the copying can be sone in 18 min. How long would it take the second copu machine to do the copying alone?
i have:
x=30
x+y=18
that would be -12..not right?
Answer:
300 days
Step-by-step explanation:
What you have to do is divide 600/2. Then you get 300.
Hope it helped :)
Answer:
32/3
Step-by-step explanation: