delaneymoses21
09.04.2021 •
Mathematics
Please help!
Laural had to find the sum for the arithmetic series below. What did she do wrong?
Step__is incorrect because_____________.Instead, you should_______________.
Solved
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Ответ:
25. 9/20
Steps-
1) Simplify 1/5 and 1/4
2) Find the common denominator
4/20+5/20
3) (4+5)/20
4) 9/20
Answer- 9/20
Try the rest on your own! :)