the production of iodised salt in india in 1985 was 2880000 tonnes. if the production in 1988 is 1700000 tonnes , what was the annual rate of increase in population .
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Step-by-step explanation:
7y +5y = 156
12y = 156
y = 156 / 12
= 13/ 1
y = 13
7(13) + 5(13) = 156
= 91 + 65 = 156
156 = 156
hence proved LHS = RHS
hope it help !!
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