Answer:
2,000,000,000
Step-by-step explanation:
100,000,000 x 2 = 200,000,000
200,000,000 x 10 =2,000,000,000
The best way to answer such questions is to first know what you are asked to find then write out what u are given then look for all possible ways to solve it
Answer:
it is too hard, You can caculator with each part.
example:
23, atrigle
24, cricle
25 atrigle
Step-by-step explanation:
Whats the rest of the quiestion
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: