= 11. If rand y vary inversely and x = 35 and y = 28 find yif x = 49. 12. If rand y vary inversely and .x = 16 and y = 20 find xify 16.
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Step-by-step explanation:
In the question it is given vary inversely so xy= 35×28 =16×y
therefore, 35×28=16y
= 980=16y
= 980/16= y
20 = y
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