If y is directly proportional to 1/x and x =2 when y= 20, what is the value of x when y = 1.25?
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Answered by
19
Answer:
x = 32
Step-by-step explanation:
We have,
y is directly proportional to 1/x.
So, y = k * 1/x[where k is the constant of proportionality] --- (1)
When y = 20, then x = 2.
So,
20 = k * 1/2
⇒ k = 40
Put k = 40 in (1), we get
y = 40/x
Put y = 1.25 in (2), we get
⇒ 1.25 = (40/x)
⇒ x = 32
Therefore,
Value of x = 32
Hope it helps!
Answered by
14
Answer:
32
Step-by-step explanation:
We have,
y is directly proportional to 1/x.
So, y = k * 1/x[where k is the constant of proportionality] --- (1)
When y = 20, then x = 2.
So,
20 = k * 1/2
⇒ k = 40
Put k = 40 in (1), we get
y = 40/x
Put y = 1.25 in (2), we get
⇒ 1.25 = (40/x)
⇒ x = 32
Therefore,
Value of x = 32
Hope it will help!!
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