jorion:
female head = 90/3 = 30
double head = (230 - 30) / 2 = 100
singlemale head = 210 - (30 + 100) = 80
amswer = 100 - 30 + 80 = 70 + 80 = 150

The last one is not a double head but a single head.

And if you follow bodmas,you add before you subtract.

100 is the answer

100

95

110

160

150

100 is the answer.

its 100 jarey!!! simple enough!

100

Answer 100

BackToLife:

Hmmm... I'll let the people decide. I see a lot of people observing this thread but I guess they are afraid to say their answers or even try it out to exercise and improve their own smartness.

Kudos to you.

80+ 50+ 30= 160.


Ftc was correct.

BackToLife:
A Little Brain Teaser, Lets See How Smart You Are.

let the female head be X, the male without beards Y, and the one with beards Z......

X+X+X=3X=90.........X=90/3=30........

X+2Y+2Y=X+4Y=230...........
substitute 30 for X.......
30+4Y=230, 4Y=230-30=200, Y=200/4=50.........

Z+2Y+X= 210..............

substitute the values of X and Y into the equation.........

Z+2(50)+30=210, Z+100+30=210, Z+130=210, Z=210-130, Z=80...........

Therefore, Y-X+Z=50-30+80, .......
Using BODMAS........

we have, 50+(-30+80)= 50+50=100

armadeo:


80+ 50+ 30= 160.


Ftc was correct.

there's a minus amd plus sign there and not a 2 plus signs