P varies directly as q. When q=31.2,p=20.8. Find p when q=15.3.
1 answer:
Answer:
a) p = 10.20
Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given that p varies directly as q
p ∝ q
⇒ p = k q
where 'K' is proportionally constant
given p =20.8 and q = 31.2
p = k q
⇒ 20.8 = k (31.2)

k = 0.666
<u><em>Step(ii):-</em></u>
p = k q
Given that q = 15.3 and k = 0.666
p = 0.666 ×15.3 = 10.20
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