Question

Janie receives an allowance of $3 per week. in addition, she can earn $2 for each chore she does. this week, she wants to earn enough money to buy a CD for $13. janie can do fractions of chores. Write an inequality to determine the number of chores,c, janie must do this week to earn enough money to buy a cd

Answer 1

13 = 2c + 3 is the inequality for one week

Answer 2

Let

c-------> the number of chores

we know that

`3+2c \geq 13` --------> inequality

Solve for c

`3+2c \geq 13\\2c \geq 13-3\\ 2c\geq10 \\ c\geq5`

therefore

the answer is

The minimum number of chores that Janie must do is
`5\ chores`