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28 August, 14:47

Emily lived in a blue house for 4.5 years. Then she lived in a yellow house for 3.6 years. How many years did Emily live in the two houses? Hayley had 3.93 grams of salt. She added more salt to the sample and now has 4.87 grams.

How many grams of salt did Hayley add?

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  1. 28 August, 15:09
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    1)

    blue house: 4.5 years

    yellow house: 3.6 years

    TOT: (4.5+3.6) = 8,1 years (ANSW)

    2)

    Hayley had 4.87 grams of salt

    then added more grams of salt

    and now she has 4.87

    added salt:

    4.87 - 3.93 = 94 (ANSW)

    Bye!
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