Answer:
49.95+2.4975(the 5% tax)
Step-by-step explanation:
=52.4475 dollars
Y=18 is the correct answer
Answer=21.4%
75 x
____=___
350 100
cross multiply
350x=7500
divide both sides by 350
x=<span>21.4285714286
round to the nearest tenth
x=21.4%</span>
The answer is 18+(-20) because if if you were going to solve that equation you would use the absolute value of -20 and then the opposite of the sign giving you 18-20. Hope this helps:)
Answer:
4,200 liters
Step-by-step explanation:
The flow rate is given by:

Integrating the flow rate expression from t=0 to t=30 minutes, yields the total volume that flows out of the tank during that period:

4,200 liters of water flow from the tank during the first 30 minutes.