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Oduro Hayford
Questions (1)
A number consist of 3 digits.The middle digit is 0 and the sum of the first and last digits is 13.If the digits are reversed the
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Answers (1)
Let boys=x & girls=y x-y=334 i.e eqn 1 x+y=572 i.e eqn 2 put x=572-y from eqn 2 in eqn 1 ie (572-y)-y=334 -2y=-572+334 -2y=-238 hence y=119 put y=119 into eqn 1 x-119=334 x=453 Hence boys=453 girls=119
