Math

Erica knits 18 squares on Monday. She knits 7 more squares each day for the rest of the week. How many squares does Erica have on Friday?

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  1. google sum of arithmetic sequence

    Math is fun site is good for this

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  2. http://www.mathsisfun.com/algebra/sequences-sums-arithmetic.html

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  3. a is 18
    d is 7

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  4. i guss 53

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  5. 7×4=28 28+18=46

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  6. its 56 because 18 plus 7 plus 7 plus 7 plus 7 equals 56

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  7. its 46 because what soyna said was true and made a lot of sence

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  8. first time here, umm I guess also 46? ( still working on my test )

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