Asked by Lauren

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?

9 years ago

Answered by Damon

google sum of arithmetic sequence

Math is fun site is good for this

9 years ago

Answered by Damon

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

9 years ago

Answered by Damon

a is 18
d is 7

9 years ago

Answered by keke

i guss 53

9 years ago

Answered by Sonya

7×4=28 28+18=46

8 years ago

Answered by Anonymous

its 56 because 18 plus 7 plus 7 plus 7 plus 7 equals 56

7 years ago

Answered by Aiden

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

4 years ago

Answered by

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

4 years ago

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