If y Varies Inversely As x and if y = 8 When x = 2.5, how do you find x when y = 2?

Question

2692 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-11-06T04:37:13

#x=10# when #y=2#

If #y# varies inversely as #x#

Then #y =k/x# for some constant #k#

Since #y=8# when #x=2.5#

#8 = k/2.5#

#:. k = 8 xx 2.5 = 20#

We are asked to find #x# when #y=2#

Hence, #2 = 20/x -> x=20/2#

#x=10#