$$2615 - 4361 + 2881 = ? \times 20$$
2615 - 4361 + 2881 = (2000+615)-(4000+361)+(2000+881)
=615-361+881
=1135
Let the unknown number be a.
1135 = a x 20
a=$$\frac{1135}{20}$$ =56.75
Hence Option E is the correct answer.
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