# algebra

Twins Diana, and Riana are each 6 years older than their younger brother Kyle. Together, their three ages total 21 years. How old is kyle? Please show your work to help me understand how to work the problem

1. 0
2. 3
1. 2T+K=32 and K=T-6
Put that last into the first equation for K, then solve for T.

posted by bobpursley
2. 2 x + x-6 = 21

posted by Damon

## Similar Questions

1. ### Algebra

Kevin, Kyle, and Joe are brothers joe is 4 years younger than kyle and kyle is twice joe's age the sum if their age is 56, how old is each brother
2. ### Math

15) Marissa is 3 years older than her younger brother. Her older brother is twice as old as her younger brother. Her older brother is 18. How old are Marissa and her younger brother?
3. ### Calculus

On Dick's birthday, his brother Harry is seventeen years younger than three times Dick's age. The boys father, Tom, is twelve years older than twice Harry's age. If Dick is seven years younger than his brother, how many candles
4. ### Math

1. The sum of the ages of two brothers is 46. The younger brother is 10 more than a third of the older brother's age. How old is the younger brother? 2. You have 59 total coins for a total of \$12.05. You only have quarters and
5. ### Algebra

Mary is y years old. Write an algebraic expression in terms of y for the age of A) her brother, who is 4 years older. B) her mother, who is 3 times as old. C) her sister, who is 2 years younger.
6. ### algebra

A person is 3 times as old as aonther person but in 15 years she will only be 2 times as old. I found the answer the younger person is 15 years old and the older person is 45 years old. But 15 years from now the younger person
7. ### Math

Jason is 20 years old. He is 4 times older than his younger brother. Which of the following equations could be be used to figure out the age of Jason's brother? a.20x4 b. 20+4 c. 20 divided by 4 d. 20-4 My answer is A. is that
8. ### Math

FIve years ago Zack would have been three times older than his young brother but five years from now he will only be two times older than his brother. How old is his brother? 25 In other words let x= brothers age so: 3(x-5)=2(x+5)
9. ### Math

I am three years younger than my brother, and i am 2 years older than my sister. My mom's age is one less than three times my brother's age. When you add all our ages, you get 87. What are our ages?
10. ### Mathematics

A mother is 33 years older than her twin children. In 3 years her age will be twice the combined ages of the twins. How old are the twins now?

More Similar Questions