SOLUTION: In 10 ​years, a​ child's age will be 4 years less than triple her current age. Find the​ child's current age I know what x is but as far as how to write it i can
Algebra.Com
Question 1023779: In 10 years, a child's age will be 4 years less than triple her current age. Find the child's current age I know what x is but as far as how to write it i cant figure it out .
Found 2 solutions by Fombitz, Cromlix:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
So then use the law of sines,
and,
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
Make the child's age = 'x'
In 10 years, a child's age will be 4
years less than triple her current age.
x + 10 = 3x - 4
Collect like terms
x - 3x = - 4 - 10
-2x = - 14
x = 7
Child's current age is 7 yrs old.
Hope this helps :-)
RELATED QUESTIONS
In 10 years, a child's age will be 8 years less than triple her current... (answered by macston)
In 12
years, a child's age will be 6
years less than triple
(answered by math_helper)
In 9 years, a child will be 44 years older than twice her current age. What is the (answered by ankor@dixie-net.com)
In 10 years, a child's age will be 4 years less than triple her current age. Find the... (answered by stanbon)
In 10 years a child will be 3 years older than twice her current age. What is her... (answered by checkley79)
In 10 years a child will be 2 years older than twice her current age. what is her current (answered by macston)
Word problem in algebra:
In 10 years a child will be 3 years older than twice her... (answered by josmiceli)
In 10 years, a child will be 3 years older than twice her current age. What is the... (answered by mananth)
In 10 years, a child will be 3 years older than twice her current age. What is the... (answered by stanbon)