Problema Solution
Converting dress sizes. The formula I=2(s+10)can be used to convert dress size s in the United States I in Italy. For what dress sizes in the United States will dress sizes in Italy be larger than 42?
Answer provided by our tutors
l = 2(s+10)
we have l>42
=> 2(s+10)>42
=> s + 10 > 21
=> s > 11