Answer :
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
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