quae64 quae64
  • 09-02-2017
  • Mathematics
contestada

Twice Jack's age plus 5 is 21. Write and solve an equation. How old is Jack?

Respuesta :

christinann062
christinann062 christinann062
  • 09-02-2017
2j+5=21
2j=16
j=8

Jack is 8 years old.
Answer Link
Joshtray
Joshtray Joshtray
  • 09-02-2017
Let Jack's age be j
2j + 5 = 21
2j = 21 - 5
2j = 16
j = 8

So Jack is 8. 
Please mark me as brainliest. Thank You!
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