Question
A book rental shop rented out books and the rate of rental charges are shown in the table.

Number of days Rates
After the first 9 days 40 cents a day
After 9 days 50 cents a day

Vincent rented 5 books and was charged $40.50. How many days did he rent the books for?
2 m

Click button first when a symbol is required. X

A book rental shop rented out books and the rate of rental charges are shown in the table.

Number of days Rates
After the first 9 days 40 cents a day
After 9 days 50 cents a day

Vincent rented 5 books and was charged $40.50. How many days did he rent the books for?