I am pretty sure it is talking about interest and $640 is what you start with, with a 3% interest for 2 years
Answer:
200 mL
Step-by-step explanation:
If x is the volume of solution B:
0.06 (500) + 0.20 x = 0.10 (500 + x)
30 + 0.20 x = 50 + 0.10 x
0.10 x = 20
x = 200
Answer:
30
Step-by-step explanation:
5x3=p
px2 = a
5x3 = 15 x 2 = 30
Answer:
16x11/y (i hope)
Step-by-step explanation:
Answer: How much paint
The independent variable is the measuring of the house