QuestionWAECGeneral Maths2022ObjectiveExpressions, formulae & change of subjectExpressions, formulae & change of subject
WAEC 2022 · Paper 1 · Q14
Mary has $3.00 more than Ben but $5.00 less than Jane. If Mary has $x, how much do Jane and Ben have altogether?
Worked solution (try it first)
Mary has $3.00 more than Ben, so Ben has $
(x−3).
Mary has $5.00 less than Jane, so Jane has $
(x+5).
Together:
(x+5)+(x−3)=2x+2, so $
(2x+2), option D.
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