Question

if P and Q vary directly with each other then find the value of q when p=7 and the constant of variation is 1/6

Answer 1

P varies directly with Q

⇒ P = kQ where k is the constant

Since the constant is given as 1/6

⇒ P = 1/6 Q

Find Q when P = 7

7 = 1/6 Q

Multiply by 6 on both sides:

42 = Q

Switch Side:

Q = 42

Answer: 42

Answer 2

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Answer:-

Note:- if p varies directly with q

then,

p/q = k

here,k is the constant of variation

p = 7, then k = 1/6

=)p/q = 1/6

=) 7/q = 1/6

ACCORDING THE QUESTION;


Q×1 = 7×6

Q= 42

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