Object A costs 70% more than object B and 36% more than object C. By how many percent is object B cheaper and object C?

1 Answer
Oct 10, 2017

#B# is #25%# cheaper than #C#

Explanation:

If something costs #70%# more than it is #1.7# times larger so:

#A=1.7B#

Similarly:

#A=1.36C#

Putting those equations together:

#1.7B=1.36C#

Divide both sides by #1.36#

#1.25B=C#

So #B# is #25%# cheaper than #C#