18. The expenditure of a club is partly constant and partly proportionate with the number of the members. If expenditure for 120 m

By Lyla

18. The expenditure of a club is partly constant and partly proportionate with the number of the members. If expenditure for 120 members and 100 members are
20,000 and 18,000 respectively. What will be the expenditure for 50 members?​

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Lyla

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