SOLUTION: y is inversely proportional to x. y=30 when x=5. (a) Find the constant of proportionality. (b) Determine the value of y when x=15.

Question 967593: y is inversely proportional to x. y=30 when x=5.
(a) Find the constant of proportionality.
(b) Determine the value of y when x=15.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
y is inversely proportional to x. y=30 when x=5.
y = k/x
30 = k/5
k = 150
-------------------
(a) Find the constant of proportionality.
k = 150
--------------------
(b) Determine the value of y when x=15.
y = 150/15
y = 10
--------------
Cheers,
Stan H.
----------------
RELATED QUESTIONS
Find a mathematical model representing the statement. (Determine the constant of... (answered by rothauserc)

suppose that y is directly proportional to x. If y=10 when x=3 complete parts a and b.... (answered by solver91311)

Given that y is proportional to (16-x) and the constant of proportionality is equal to x. (answered by josgarithmetic)

Suppose that y is directly proportional to x and that y = -64 when x = 7 Complete parts... (answered by stanbon)

Suppose that y is inversely proportional to x and that y equals seven ninths when x=81.... (answered by josgarithmetic)

Suppose that y is directly proportional to x. When x = 8, then y = 3. (a) Find the... (answered by josgarithmetic)

if y is inversely proportional to x and y=14 when x=4, find the constant of variation. (answered by Alan3354)

express the statement as a formula that involves the given variables and a... (answered by richwmiller)

Suppose that y is directly proportional to x and that y = -56 when x=8. Find the constant (answered by tommyt3rd)