Answer: Together the pool can be drained in 2 hours and 18 minutes.
Answer:
The 4th system (h = 4.2 − p
; h = 2p)
Step-by-step explanation:
Answer:
The first option
(-10, -7)
Step-by-step explanation:
Also I really like your pfp <33
Answer: The largest you can't make is 7 cents.
Step-by-step explanation:
Once you get 3 consecutive amounts, you can get all larger ones just by adding 3 cent stamps. So let's see what you can make:
1 no
2 no
3 yes
4 no
5 yes
6 yes
7 no
8 yes, and this will give you 11 14 17 etc
9 yes, and this will give you 12 15 18 etc
10 yes, and this will give you 13 16 19 etc.