pandu444
pandu444 pandu444
  • 03-12-2017
  • Mathematics
contestada

Can some help with question 18 and an explanation please?? 20 points

Can some help with question 18 and an explanation please 20 points class=

Respuesta :

tynollette tynollette
  • 03-12-2017
J=C+12
C=E+12
E=I+12
J+C+E+I=124
Substitute every unknown with C since C is the one we need to answer:

J=C+12
C=E+12 =>E=C-12
E=I+12 =>C-12=I+12 =>I=C-24
Now substitute 
J+C+E+I=124
(C+12)+C+(C-12)+(C-24)=124
4C-24=124
4C=148
C=37
Answer Link

Otras preguntas

Dirk Nowitzki of the Dallas mavericks scored 44 points in a recent basketball game. He scored no 3-point shots, but made a number of 2-point field goals and 1-p
13 squared? how does it mean and what is the solution?
where are chromosomes found in eukaryotic cells
Expand the expression 2(r - 4) + 5(r + 2). Express your answer in simplest form
what two developments in the late 1800s led to the decline of the cattle business ?
How many hydrogen atoms are represented in the formula (CH3)2CH2?
What part of the cell produces ATP for the blueberry plant to grow? A. Mitochondrion B. Cytoplasm C. Ribosome D. Nucleus
I need help with the blanks
what is the volume of an area? what is a polynomial?
What is 5.207 as a fraction?