n = 4/5 + 1,75 - 1 1/8
n = 0,8 + 1,75 - 1,125
n = 0,8 + 0,625
n = 1,425 (A)
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Verified answer
n = 4/5 + 1,75 - 1 1/8
n = 0,8 + 1,75 - 1,125
n = 0,8 + 0,625
n = 1,425 (A)