Question

Dan went to the bookstore .he has spent $17.00 of his $20.00 already .he needs to buy a few disk.how many can he buy with his remaining money if each disk cost 90 cents ?

Answer 1

3.00/0.9 = ?

Answer 2

Your inequality is .90d <= 3

.90d / .90 <= 3 / .90

<= 3 1/3 or approximately 3 disks.