007messi10 007messi10
  • 11-12-2018
  • Mathematics
contestada

Joey is 10 years older than Francine. Sonya is 3 years younger than twice Francise's age. Joey and Sonya are the same age. How old are they all?

Respuesta :

Kcidrubykcir Kcidrubykcir
  • 11-12-2018

Answer:

Francine is 13

Sonya is 23

Joey is 23

Step-by-step explanation:

J = 10 + F

S=2F-3

J=S

10+f=2F-3

10+F-F= 2F-F-3

10+3=F-3+3

F=13

S=2(13)-3

S=26-3

S=23


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