Question

Jennifer had $30 to spend on herself. She spent 1/5 of the money on a sandwich, 1/6 for a ticket to a museum, and 1/2 of it on a book. How much money does Jennifer have left over?

 

Answer 1

Jennifer spent $\frac{1}{5}+\frac{1}{6}+\frac{1}{2}=\frac{6}{30}+\frac{5}{30}+\frac{15}{30}=\frac{6+5+15}{30}=\frac{26}{30}$ of money on sandwich, ticket and book and $1-\frac{26}{30}=\frac{30-26}{30}=\frac{4}{30}$ of money Jennifer has left over.

It is $\frac{4}{30}\times \$ 30 =\$4$.

Answer: $4.