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Ratio of sold plain and lined books for store C is 5 : 4 and f | Data Interpertation & airthmatic

Ratio of sold plain and lined books for store C is 5 : 4 and for
store B is 3 : 2. Then find the total plain books sold by these two
stores together ?

a) 1750
b) 1825
c) 1850
d) 1950
e) 1975