Juan has 35 pairs of shoes. Every week he gets rid of 3 pairs. After how many weeks will he have less than 10 pairs of shoes?
I need the inequality

9 weeks

Step-by-step explanation:

Divide the total pairs of shoes by how many you lose in a week and it will give you about how many weeks it'll take to get rid of all of the shoes:

35 / 3 = 11.67

Knowing your multiplication table is key for this! You will know that the best answer for this is 9 (and not 8 or 10) because...

3 x 8 = 24

3 x 9 = 27

3 x 10 = 30

Which will give you less than 10 pairs:

35 - 27 = 8

step-by-step explanation: