1.

(5 + 5) + (5 + 6) + (5 + 7) + (5 + 8) + …. + (5 + 14) + (5 + 15) = (11 times 10) + what number? A)15 B)50 C)55 D)99

Answer»

The NUMBER is C. 55.Step-by-step EXPLANATION:



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