Ratio Question


by blunted
Tags: ratio
blunted
blunted is offline
#1
Jan7-13, 10:11 AM
P: 23
1. The problem statement, all variables and given/known data

Calculate: (3 a + 3 b)/(a - b) If a/b = 2/5

No attempts, I don't know how to solve this.

Help?
Phys.Org News Partner Science news on Phys.org
Simplicity is key to co-operative robots
Chemical vapor deposition used to grow atomic layer materials on top of each other
Earliest ancestor of land herbivores discovered
tiny-tim
tiny-tim is offline
#2
Jan7-13, 10:30 AM
Sci Advisor
HW Helper
Thanks
tiny-tim's Avatar
P: 26,167
hi blunted! welcome to pf!
Quote Quote by blunted View Post
a/b = 2/5
hint: so a = ?
blunted
blunted is offline
#3
Jan7-13, 10:36 AM
P: 23
Oh my god :D

Thanks for the hint and the welcome :)

blunted
blunted is offline
#4
Jan7-13, 11:05 AM
P: 23

Ratio Question


K + l + m = 34.
K/l = 1/4
l/m = 1/3

l = ?

Is it 8 ?
tiny-tim
tiny-tim is offline
#5
Jan7-13, 11:25 AM
Sci Advisor
HW Helper
Thanks
tiny-tim's Avatar
P: 26,167
maybe it is and maybe it isn't
show your calculations!
(same hint as before, btw)


Register to reply

Related Discussions
find the ratio (ideal gas laws) how to get a Ratio between two numberS> Introductory Physics Homework 10
another ratio question Precalculus Mathematics Homework 2
Ratio question Introductory Physics Homework 10
ratio question General Math 1
lim inf lim sup ratio question Calculus & Beyond Homework 3