Hello from MrBillDoesMath!
Answer:
35x - 600
Discussion:
Area of unshaed rectangle =
area of full rectangle - area of shaded rectangle =
35x - 600
Thank you,
MrB
Answer:
Step-by-step explanation:
i got it correct:)
All we need to do is plug the numbers into the equation.
A:

Not A.
B:

Not B.
C:

C is the correct answer
Answer:
50 liters
Step-by-step explanation:
If x is the volume of 20% acid, then:
x (0.20) + 20 (0.45) = (x + 20) (0.30)
0.2x + 9 = 0.3x + 6
3 = 0.1x
x = 30
30 liters of 20% acid are needed, so there will be a total of 50 liters of 30% acid.
Answer: 75.4 =
70
+ 5
+ 0.4
Step-by-step explanation:
Hope this helps :)