Sergio is twice as old as his daughter Inga, who is three years younger than her brother Nage. If the sum of their ages is 63, how old is Nage? A.) 15 B.) 18 C.) 20 D.) 23 E.) 30 x = Inga's age2x = Sergio's age {Sergio is twice as old as Inga}x + 3 = Nage's age {Inga is 3 years younger than Nage}x + 2x + x + 3 = 63 {the sum of their ages is 63} 4x + 3 = 63 {combined like terms} 4x = 60 {subtracted 3 from each side} x = 15 {divided each side by 3} x + 3 = 18 {Nage's age is x + 3} B.) 18- Algebra House
0 Comments
Your comment will be posted after it is approved.
## Leave a Reply. |
Latest Videos## Archives
December 2023
ACT is a registered trademark of ACT, Inc. SAT is a registered trademark of the College Board. ACT and SAT are not affiliated with this site. |