141,412 views
7 votes
7 votes
1) Three times the sum of half Carlita’s age and 3 is at least 12. What values represent Carlita’s possible age?

I need this right away!!

User Vivek S Vamja
by
2.4k points

2 Answers

20 votes
20 votes

Answer:

Carlita is at least two

Explanation:

User Zonky
by
2.5k points
22 votes
22 votes

Answer:

  • Carlita's age is at least 2 years

Explanation:

Let Carlita's age be x.

Then we have inequality:

  • 3×(1/2×x + 3) ≥ 12

Solve the inequality for x:

  • 3×(1/2×x + 3) ≥ 12
  • 1/2×x + 3 ≥ 12/3
  • 1/2×x + 3 ≥ 4
  • 1/2×x ≥ 4 - 3
  • 1/2×x ≥ 1
  • x ≥ 2

User Olivier Masseau
by
3.0k points