SOLUTION: please help me! can someone pls? :( solve the problem. if y varies inversely as x, and y=27 when x=4, find y when x=12

Algebra.Com
Question 469620: please help me! can someone pls? :(
solve the problem.
if y varies inversely as x, and y=27 when x=4, find y when x=12

Found 2 solutions by stanbon, Tatiana_Stebko:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
if y varies inversely as x
----
y = k/x
---
1st: Solve for "k" using "y=27 when x=4"
---
27 = k/4
k = 4*27 = 108
-----
2nd: Equation:
y = 108/x
-----
3rd: Solve
Find y when x=12
---
y = 108/12
y = 9
=============
Cheers,
Stan H.
=============

Answer by Tatiana_Stebko(1539)   (Show Source): You can put this solution on YOUR website!
1 way:
y varies inversely as x, so if x increase by 3 (), then y decrease by 3

.
.
.
2 way:
if y varies inversely as x, then , y=27 when x=4, so =>=>
when x=12, then

RELATED QUESTIONS

im really stuck so can someone help me please :(? solve the problem. if y varies... (answered by stanbon)
can someone help me pls? solve. if y varies directly as x, and x=12 when y=5, find... (answered by ewatrrr)
im really stuck so can someone help me please :(? solve the problem. if y varies... (answered by stanbon)
there are 2 problems i dont know how to do can u pls help 1st problem : y varies... (answered by Cromlix,stanbon)
Please help me answer the following question: If y varies inversely as x and y=8 when... (answered by Mike,GrantJones,Fombitz,Alan3354)
If x varies inversely as y and x = 2 when y = 8, find x when y = 4. PLEASE HELP (answered by Theo)
If x varies inversely as y and x = 2 when y = 8, find x when y = 15. PLEASE... (answered by jim_thompson5910,Earlsdon)
please help if y varies inversely as x, and y=12 when x=6, what is k, the variation... (answered by Earlsdon)
1. If y varies inversely as x, and y=11 when x=8, find y when x=10 Please help me with... (answered by Tatiana_Stebko)