Amits and his sister's ages are in ratio 5:4. if amit is 45 years old, how old is his sister
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36
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the age of amit s sister is 36
5x+4x=45+4x
5x=45
x=9
4x=4×9=36
5x+4x=45+4x
5x=45
x=9
4x=4×9=36
thanks
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