Michelle20001
Michelle20001 Michelle20001
  • 20-08-2016
  • Mathematics
contestada

Jan's Age is 3 years less than twice Tritts age. The sum of their ages is 30. Find their ages.

Respuesta :

texaschic101
texaschic101 texaschic101
  • 20-08-2016
j + t = 30
j = 2t - 3

now we sub
(2t - 3) + t = 30
3t - 3 = 30
3t = 30 + 3
3t = 33
t = 33/3
t = 11 <== Tritt's age

j = 2t - 3
j = 2(11) - 3
j = 22 - 3
j = 19 <== Jan's age
Answer Link
haileymoe
haileymoe haileymoe
  • 20-08-2016
2x-3+x=30
3x-3=30
3x=33
Tritts age=x=11
Jans age=2x-3=2(11)-3=22-3=19

Tritt=11
Jan=19
Answer Link

Otras preguntas

Find the missing angle.
chemistry question help please​
The martinez family ate at a restaurant. The cost of the meal was $34.50. The sales tax was 6% of the cost of the meal. They left a tip of 15% of the cost of th
Please explain your work. The answer is not 6785.8, 1.5, or 6782.4.
8. Convert the following recurring decimalsto fractions.(a) 0.014(b) 3.187​
Dakota received a mark of 68% on his math test. The test had 25 questions. How many questions did Dakota answer correctly?
Need help please!!!!!!!!!!!!!!!!!
Hi today im becoming completely honest with everyone ive met online Hi I'm Yuri I suffer with D.I.D if you don't understand what that is look it up Hi I'm eenw
What is the exact value of cos(11pi/12)
Here is a right-angled triangle. 601 XCm 5 cm Cos 60° = 0.5 b) What is the value of x? (2)