Problema Solution
A jewelry store advertisement states that a certain diamond bracelet weighs 12 carats, but the actual weight can very by as much as 5%. Find the minimum and maximum possible weights of the bracelet.
Answer provided by our tutors
5% of 12 = 0.05*12 = 0.6 carats thus
the minimum possible weight is 12 - 0.6 = 11.4 carats
the maximum possible weight is 12 + 0.06 = 12.06 carats