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Sagot :
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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