# MC - Eqilibrium income? (1 Viewer)

#### truly-in-bliss

##### my love is like woah!
what did you get for the eqilibirum income..i think the answers were something lyk

a) 100
b) 150
c) 500
d) 700.....

i put down c, and after reworking i think d is the answer.....

anione got the question? i left mine with teacher..

#### loser

##### scene police
Is think this is the formula.

Y = C + I

#### beemo

##### Member
d) 700
for equilibrium, l
leakages = injections
y - (100 + 0.8y) = 40
y - 100 - 0.8y = 40
y- 0.8y = 140
0.2y = 140
y =700

i hope

#### Blondie

##### Member
yeah, thats right. it was 700

#### LaZy_KoReAn

##### DrunkenMC
lol, i picked C in the first place, but luckily i had 5 minutes left and corrected my answer

#### cakeater

##### New Member
damn, i guessed and put B.. i knew Y=C+I+G+(X-M) and tried rearranging the equation but my crap maths skills let me down.. cut

#### PG5

##### Member
i got it from the other MC question where it had a diagram and it showed the equillibirum income. So Y = C + I

i got d

##### Member
yeah i guessed and picked b....im oh so wrong~!

#### sukiyaki

##### emptiness
Originally posted by skip to my lou
yeah i guessed and picked b....im oh so wrong~!
hehe same.!!
argg

#### ChaoS-GoD

##### Member
haha! i laughed so hard at the ppl in my school that didnt do maths, coz EVERY one of them got that q wrong (as well as some x1 maths students). even after my friend and i sat down to explain to two of them, they had the most lost face you'll ever see! LOL!!!!!

#### truly-in-bliss

##### my love is like woah!
i was also backed up by minai's theory featured in the NS forum.. which was when ur in doubt.. pick c... hahah

I think it's D