Question
20% of ‘m’ added to 80% of ‘n’ equals 160. If
‘n’ exceeds ‘m’ by 60, find the value of (2m – n).Solution
ATQ,
0.20m + 0.80n = 160…….. (1)
And, n – m = 60………. (2)
On solving equation (1) and (2), we get
m = 100 and n = 160
Therefore, (2m – n) = 200 – 160 = 40
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