Answer:
No
Step-by-step explanation:
You cant have 2 y values
Answer:
x is mL of 25% acid and y is mL of 50% acid
We set up 2 equations:
A) x + y = 250
B) .25 x + .50y = .35 * 250 which equals
B) .25x + .50y = 87.50 Multiplying A) by -.5
A) -.5x -.5y = -125 adding the equations we get
-.25x = -37.50
x = 150 mL
y = 100 mL
Source: http://www.1728.org/mixture.htm
Step-by-step explanation:
Answer:
D) -20/-5 because a negative divided by a negative is a positive.
Step-by-step explanation:
Answer:
37.5
Step-by-step explanation:
37.5×144/100=54 the number is 37.5
Answer:
The system has zero solutions.
