Answer:vhv
Step-by-step explanation:hhgjhghjgjg
D + 3r = 15
d = r + 3
r + 3 + 3r = 15
4r + 3 = 15
4r = 15 - 3
4r = 12
r = 12/4
r = 3 ....he bought 3 roses, at $ 3 per rose = $ 9 <==
d = r + 3
d = 3 + 3
d = 6....he bought 6 daisies, at $ 1 per daisy = $ 6
Answer:
welcome
Step-by-step explanation:
5x + 8000 = 3x + 10000
x = 1000
Answer:
50 gallon
Step-by-step explanation:
We are given that

Let V(in gallon) be the present volume of tank.

We have to find the smallest capacity the tank can have if the process is to continue indefinitely.
According to question
=Incoming volume-outgoing volume


Integrating on both sides


By using the formula





Where 


Using the formula



Substitute 


Hence, the smallest capacity the tank can have if the process is to continue indefinitely=50 gallon