Problema Solution
a woman has a certain number of mangoes of which 13% are rotten . she gives 75% of the remainder in charity and then has 261 left . how many had she at first ?
Answer provided by our tutors
let 'x' represents the number of mangoes she had at first
(x - 0.13x)*(1 - 0.75) = 261
by solving we find:
x = 1200 mangoes
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the woman had 1,200 mangoes at first.