Question
PSLE
Peter, Ivan and Wesley shared the cost of a present. The ratio of Peter's share to the total share of Ivan and Wesley was 1 : 2. The ratio of Ivan's share to the total share of Peter and Wesley was 1 : 7. Ivan's share was $20 less than Wesley's share. How much did the present cost?
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PSLE
Peter, Ivan and Wesley shared the cost of a present. The ratio of Peter's share to the total share of Ivan and Wesley was 1 : 2. The ratio of Ivan's share to the total share of Peter and Wesley was 1 : 7. Ivan's share was $20 less than Wesley's share. How much did the present cost?