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7 November, 01:21

The ratio of Adriana's age to her aunt's age is 7:10. In 2 years the sum of their ages will be 123. How old is Adriana's aunt now?

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  1. 7 November, 01:41
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    70.35

    Step-by-step explanation:

    The sum of 7 and 10 is 17. So 123 / 17 = 7.235 (roughly)

    7.235 x 10 (for Adriana's aunt's age) equals 72.35

    And to double check: We can find adriana's age by doing. 7.235 x 7 = 50.645. If we add 50.645 and 72.35 we get 122.995 which is roughly 123 and the reason why it is not 123 on the dot is because 123 / 17 is roughly 7.235 the full expanded one is: 7.23529411765

    You may try checking with the full number without estimating but i am sure of my answer
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