A novel is ranked 7th on the bestseller list. Its position went up 1 rank from last week. Write an equation to determine the novel’s rank last week, and then solve it.
A group of students are meeting together to study. Four students have to leave early. If 11 of them would remain, write an equation to find how many students are meeting, and then solve it.
Over a week, Martha practiced on her flute for 5 hours. This was 3 hours longer than she practiced the previous week. First write an equation for the number of hours () that she spent practicing the previous week, and then solve it.
Peter is 14 years older than Vincent. If Peter is 29 years old, write an equation to determine Vincent’s age, and then solve it.
Jimmy is saving money for a gift that costs $52. Given that he already saved $44, write and solve an equation that represents the amount of money he still needs to save.