Answer: each female costume requires 8 metres of fabric and every male costume requires 6 metres of fabric.
Explanation-
let f be the female costumes and m be the male costumes:
3f + 4m = 48
3f + 2m = 36
solve simultaneous equations
2m = 12
male = 6 metres
sub vale back in
3f + 2m = 36
3f + (2×6) = 36
3f + 12 = 36
3f = 24
f = 8 metres
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