Question

Jamal has a $31 online gift card. He plans to purchase books with the money and the cost of each book is $4. Thereis also a single shipping charge of $2. Write an inequality to show how to find the maximum number of booksJamal can afford.A $2b + $4 < $31B $2b + $4 > $31C $4b + $2 > $31D $4b + $2 < $31

Answer 1

Let the number of books be b

The total number of books plus shipping fee

= 4 x b + 2

=4b+2

The value above must not exceed 31

This implies 4b+2 < 31

Therefore the right answer is D