Answer:
Step-by-step explanation:
We have $3, we need more money $x, so that the sum will be $12 or more
3 + x ≥12
the inequality is 3+x ≥ 12
solve for x
3+x ≥ 12, subtract 3 from both sides of the equation
3-3+x ≥1 2-3
x ≥ 9, we need $9 or more to purchase a ticket
