If varies inversely as and 20 when 4 find when 5 - JSS3 Mathematics Variations Question
If 𝑦 varies inversely as 𝑥 and 𝑦=20 when 𝑥=4, find 𝑦 when 𝑥=5.
Given 𝑦=𝑘/𝑥, substituting the given values:
20=𝑘/4
Solving for 𝑘:
𝑘=20⋅4=80
Now, find 𝑦 when 𝑥=5:
𝑦=80/5=16
Please share this, thanks:
Add your answer
No responses