simba196 simba196
  • 01-08-2016
  • Mathematics
contestada

a + c =150
9a + 6c = 1155

Respuesta :

konrad509
konrad509 konrad509
  • 01-08-2016
[tex]a+ c =150\\ 9a + 6c = 1155\\\\ a+c=150\\ 3a+2c=385\\\\ -2a-2c=-300\\ \underline{3a+2c=385}\\ a=85\\\\ 85+c=150\\ c=65 [/tex]
Answer Link

Otras preguntas

india takes the two hour train ride from minneapolis to chicago every dummer to visit her grandparents. The train traveled 44 7/16 (thats a mixed number) mile
Is the E-CIG industry more "safe" than the actual tobacco companies? Why? If someone offered you E-CIGS than cigarettes would you say yes or no? Why?Full Paragr
find the point on the y-axis that is equidistant from (6,1) (-2,-3)
where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.
State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N,  a * a = a ,  for all a * N.(ii) If * is a
Please answer:If a stadium holds 60000 people.1. If the stadium is 2/3 full, how many people are there?2. If the stadium is 3/4 full, how many people are there?
Where did the Greeks believe that most gods lived
how can bureaucratic personality be dangerous
Earth is a close approximation of a natural closed system.  What are some ways that living in a closed system affects each of us.
find the point on the y-axis that is equidistant from (6,1) (-2,-3)