kieante01 kieante01
  • 03-06-2017
  • Mathematics
contestada

PLZZZZ NEED HELP!!!!!

PLZZZZ NEED HELP class=

Respuesta :

jamiexx
jamiexx jamiexx
  • 04-06-2017
use simultaneous equations
a + c =6 (1)
45a + 15c = 150 (2)
from (1)
c = 6-a (3)
sub 3 into (2)
so the answer is 45a + 15(6-a) = 150, so is B
Answer Link

Otras preguntas

what is the scientific notation of 1260000
72/100 in simplest form
4m-17 <6m+ 25 I don't understand ahh I'm scared I got it wrong
the house has five doors. the number of windows is two more than 5. how are there?
Should a president die in office, which official succeeds the president if the vice president is unable to assume the role?
When is it helpful to use simpler numbers to solve a problem
When using direct quotations in your writing, which of the following should be placed outside the set of quotation marks? A. Question mark B. Period C. Semicolo
Hot dogs come in packs of 10 while bonds: packs of eight what are the least number is a fax you should buy in order to have the same numbers of hot dogs and bun
Do URLs identify the location of Web content?
when did the holocaust end