You and three friends are making a gift basket. you want to keep the cost below $12 per person. write and solve an inequality that represents the total cost.

Given:
You and 3 friends = 4 person
cost below 12 per person

4x < 12*4

4x < 48 This is the inequality

4x < 48
÷4     ÷ 4
x < 12

To check, let x = 10. It is below 12 per person.

4x < 48
4(10) < 48
40 < 48

Equatorial triangle and obtuce angle