Explanation
\(\$ 100+10 \%=\$ 110\), minus \(\$ 11=\$ 99\)=> \(\$1\) change out of 100 original is 1%.
A rental store charges a fine of 25 percent of the usual full-day rental rate for each hour that an item is late. Ryan rented a rototiller for one day for \(\$40\). He returned it 3 hours late. How much was his total bill for the rental and the fine?
In his will, Mr. Adams left 25% of his estate to his wife and unevenly divided the balance between his son and his daughter. If the son received \(\$36,000\) as his share, what was the total value of the estate?
Which of the following expressions is equivalent to 3x(2+5y)?