khi2shiesty khi2shiesty

04-05-2022
Mathematics

contestada

Sally is older than Jenny. The sum of their ages is 45 and the difference is 9. Find the ages of Sally
and Jenny

Respuesta :

MeggyMoo22 MeggyMoo22

04-05-2022

Answer:

Sally is 27

Jenny is 18

Step-by-step explanation:

using algebra:

x+(x-9)= 45

x+x-9

2x-9=45

2x-9+9=45+9

2x=54

54÷2=27

Sally = 27

27-9 = 18

Jenny = 18

This should be it!

hope this helps :)

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