Liul2261
Liul2261 Liul2261
  • 02-10-2017
  • Mathematics
contestada

Jenna is 4 years older than her sister. The sum of Jenna's age and her sister's age is 32. How old is Jenna?

Respuesta :

ewc18
ewc18 ewc18
  • 02-10-2017
Jenna is 18. Her sister is 14.
Answer Link
evelynromero7
evelynromero7 evelynromero7
  • 02-10-2017
Jenna is 18 years old.
Let Jenna's age be j and her sister's age s
j=4+s
j+s=32
4+s+s=32
2s=32-4
2s=28
s=14
j=14+4
j=18

Answer Link

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