10 liters to gallons is 2.6 gallons.
<span>The orthocenter of a triangle is formed by the ALTITUDES of a triangle.</span>
Source:
http://www.1728.org/trictr.htm
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:
130% of n is 195 where n is the number of people in the club last year
1.3n = 195
n=195÷1.3
n=150