sajanpatel823 sajanpatel823
  • 04-09-2017
  • Mathematics
contestada

Hector is 22 years older than his sister.in 5 year,he will be 3 times as old as she will be.how old are hector and his sister today?

Respuesta :

kphung76127
kphung76127 kphung76127
  • 04-09-2017
Hector is h. Sister is s.
h-22=s
h+5= 3(s+5)

Plug in s into the second equation
h+5=3(h-22+5)
h+5= 3(h-17)
h+5=3h-51
h+56=3h
56=2h
28=h

Final answer: Hector-28, Sister-6
Answer Link
Аноним Аноним
  • 04-09-2017
Hector=27
His sister=9
Answer Link

Otras preguntas

How do u write 6 more the 7 times a number is 41 in algebraic equation??
what time is 9 hours and 30 minutes before. 4:25
The Indus, Ganges, and Brahmaputra were important to ancient India because they were
Terri's teacher gives her the equation 3(5)^x=127-2x, and tells her that she will not know how to solve it algebraically. Explain how Terri could use a graph to
conversation between Hitler and gandhi
what is the meaning or definition of fighting-gear??
A history quiz consists of five true-false questions. If you guess on each question, then the probability of answering all five questions correctly is approxima
The graph of y = 4x - 11 is translated up 8 units. Which equation represents the translated graph? f y = 4x - 19 g y = 4x - 3 h y = 12x - 11 j y = 12x - 3
What is the lateral area of the rectangular prism? Assume the prism is resting on its base. A. 135 in2 B. 270 in2 C. 300 in2 D. 310 in2
FACTORIZE. 9x2y-24xy2-16y3 solve it